How To Kh

Category: IT Network

Welcome to the IT Network category, your go-to hub for learning networking essentials and advanced techniques. Whether you’re a beginner, student, or professional, this section offers valuable insights into networking concepts, equipment, security, and troubleshooting. Start with network basics like IP addressing, subnets, and the OSI model, building a strong foundation for further learning. Explore networking equipment with guides on routers, switches, and firewalls, and learn how to configure devices for both home and business use. Dive into network security, understanding firewalls, VPNs, and threat protection best practices. For those seeking more advanced knowledge, we cover VLANs, dynamic routing, load balancing, and cloud networking. Master troubleshooting and optimization techniques to resolve issues and improve network performance. Regularly updated with tutorials and news, this category provides everything you need to enhance your networking skills, whether for certifications or real-world applications.

  • How to Fix the “Unable to Load Site” Error in ChatGPT

    How to Fix the “Unable to Load Site” Error in ChatGPT

    Being interrupted in the middle of a creative flow is frustrating. It’s equally disruptive when you are on an important task. This frustration intensifies with ChatGPT’s discouraging error message: “Unable to load site. Please try again later.” This vague alert can bring your productivity to a screeching halt. While the message suggests checking for outages or disabling a VPN, the true cause is often a mystery. You are left wondering if the problem is with your connection. Or, it could be your browser or the service itself.

    Don’t worry—you’re not alone, and this problem is almost always solvable. This guide breaks the process down into simple steps. It moves from the simplest quick fixes to more advanced network solutions. The aim is to get you back to chatting with AI in no time. This is a step-by-step guide, starting with the most likely and easiest solutions.

    First, Do This Immediately

    1. Check OpenAI’s Status Page: This is the very first thing you should do. The problem might be on their end, not yours.
      • Go to status.openai.com
      • Look for any orange or red indicators for the “ChatGPT” and “API” services. If there’s an outage, you just have to wait.
    2. Refresh the Page: Simply press F5 on your keyboard or the reload button in your browser. Sometimes it’s a temporary glitch.

    The Most Common Fixes Error

    1. VPN / Proxy / Security Software

    (What the Error Message Hints At). This is the #1 cause of this error. Many VPNs and corporate networks are blocked by OpenAI to prevent abuse.

    • Turn off your VPN: Disconnect from your VPN service completely and try reloading ChatGPT.
    • Try a Different VPN Server/Location: If you must use a VPN, switch to a different server, preferably in a country where ChatGPT is officially supported.
    • Check Antivirus/Firewall: Some security suites (like Norton, McAfee, etc.) have built-in “network intrusion” or “privacy” features that can act like a VPN. Temporarily disable these features to test if they are the cause. (Remember to turn them back on afterward).
    • School/Work Network: If you are on a corporate, school, or public Wi-Fi, the network itself may be blocking access. Try using your phone’s mobile data hotspot to see if it works.

    Your browser’s cached data or extensions can interfere.

    • Clear Your Browser Cache and Cookies:
      • Chrome/Edge/Brave: Ctrl+Shift+Del -> Select “Cached images and files” and “Cookies” -> Time range “All time” -> Clear data.
      • Firefox: Ctrl+Shift+Del -> Select “Cookies” and “Cache” -> Time range “Everything” -> Clear.
      • Safari: Safari menu -> Preferences -> Privacy -> Manage Website Data -> Remove All.
    • Try a Different Browser: If it works in another browser (e.g., Firefox instead of Chrome), the issue is with your main browser’s setup, likely an extension.
    • Disable Browser Extensions: Especially ad-blockers (uBlock Origin), privacy scripts, or any AI-powered helpers. Disable them all and reload the page. If it works, re-enable them one by one to find the culprit.
    • Use Incognito/Private Mode: Open an Incognito (Chrome) or Private (Firefox) window and go to ChatGPT. Extensions are usually disabled in this mode, which helps identify if they are the problem.

    Advanced Troubleshooting Steps

    If the above didn’t work, try these:

    3. Network and DNS Issues

    Your internet connection might be routing requests poorly.

    • Restart Your Router & Modem: The classic “turn it off and on again.” Unplug your router and modem, wait 30 seconds, and plug them back in.
    • Flush Your DNS Cache: This forces your computer to look up the fresh, correct address for ChatGPT.
      • Windows: Open Command Prompt as Administrator and type ipconfig /flushdns.
      • macOS: Open Terminal and type sudo dscacheutil -flushcache (you’ll need to enter your password).
    • Change Your DNS Server: Switch to a more reliable DNS provider like Google DNS or Cloudflare.

    4. Account and Service Specifics

    • Check Your Account Status: Make sure you haven’t been flagged for any Terms of Service violations. You can try logging out and back in.
    • Server Overload: During peak times, ChatGPT can be overwhelmed. The “Please try again later” message can literally mean the servers are too busy. Waiting an hour or two can resolve this.

    Summary: Your Action Plan

    1. Check status.openai.com for an outage.
    2. Disable your VPN and any security software’s network protection.
    3. Try accessing ChatGPT in an Incognito/Private browser window.
    4. Clear your browser’s cache and cookies.
    5. Restart your router and modem.
    6. Flush your DNS cache and/or change your DNS server.

    Following these steps in order will almost certainly resolve the “Unable to load site” error. Start with steps 1 and 2, as they are the most common solutions.

    Note: From this problem, How To Kh face is a network blocked. How do we know? If you have a problem like this, try opening ChatGPT with another Internet connection. You can also try using your mobile phone’s Wi-Fi hotspot. If you can open ChatGPT on your mobile phone hotspot, that means ChatGPT has no issue.

    If you have all the above solutions, you still cannot fix this means it is your network problem. Don’t worry, just wait, maybe it has a problem with the ChatGPT system issues. This is the status of the error. Codex of Sora API elevated error rates. They are checking to fix it.

    Unable to load site

    Encountering the “Unable to load site” error can be a temporary setback. However, as we’ve outlined, it’s rarely a permanent one. Start by checking for outages. Next, disable your VPN. Then, clear your browser’s cache. By following these steps methodically, you can almost always identify and resolve the root cause.

    The issue usually falls into one of three categories. It might be your local network, such as a VPN. It could be your browser data. Alternatively, there could be a temporary service overload. By following this structured approach, you can swiftly move from troubleshooting. You can then get back to what’s important: leveraging the power of ChatGPT for your work, creativity, and curiosity. Happy prompting

  • How to Transfer Files Between Your Phone and Computer

    How to Transfer Files Between Your Phone and Computer

    We all need to transfer files between our phone and computer. This includes moving photos, videos, documents, music, or even apps. Luckily, there are several simple and secure methods for doing this. The methods depend on your device type (Android, iPhone, Windows, Mac) and preferences (wired or wireless).

    Guide: Send file Phone ➡️ PC and PC ➡️ Phone

    In this guide, you’ll learn how to:

    1. Transfer files from phone to computer
    2. Transfer files from computer to phone

    Let’s walk through the most effective strategies—both wired and wireless. How To Kh will give you a step-by-step guide on different ways. If you all have any concerns, please drop a comment below!

    Part 1: Transfer Files from Phone to Computer

    📱➡️💻 A. Using USB Cable (Wired Transfer)

    🔸 For Android to Windows or Mac:

    1. Connect your Android phone to the computer using a USB cable.
    2. Your phone will show a notification — tap it and select “File Transfer” or “MTP” mode.
    3. On your computer, open File Explorer (Windows) or Android File Transfer (Mac).
    4. Browse your phone’s storage and copy/paste the files you want to transfer.
    5. Safely eject your phone when done.

    ⚠️ On a Mac, you’ll need to download Android File Transfer.

    🔸 For iPhone to Windows or Mac:

    1. Use a Lightning-to-USB or USB-C cable to connect your iPhone to the computer.
    2. On your iPhone, tap “Trust this Computer” when prompted.
    3. Open Photos app (Mac) or File Explorer (Windows) and select Import.
    4. Choose which photos/videos to import, and start the transfer.

    💡 For more control over file types, use iTunes (Windows) or Finder (Mac).

    B. Using Cloud Storage (iCloud)

    1. On your phone, upload files to a cloud service (Google Drive, iCloud Drive, OneDrive, etc.).
    2. On your computer, log into the same cloud account.
    3. Download the files to your computer.

    ✅ Best for: Transferring photos, documents, and sharing files across devices.

    C. Using Bluetooth (for smaller files)

    1. Enable Bluetooth on both your phone and computer.
    2. Pair the devices.
    3. Select the file on your phone, tap Share, and choose Bluetooth.
    4. Accept the file on your computer.

    ❗ Note: Bluetooth is slower—best used for small files only.

    D. Using File Transfer Apps (Wireless Transfer)

    Popular apps:

    • SHAREit
    • AirDroid (Android)
    • Snapdrop (browser-based, like AirDrop)
    • Send Anywhere

    Steps (Example with Snapdrop):

    1. Open snapdrop.net on both phone and computer (on the same Wi-Fi).
    2. Tap the device icon on your phone.
    3. Select the file to transfer.
    4. Accept the file on your computer.

    💡 No app download required — just a browser and Wi-Fi.

    Part 2: Transfer Files from Computer to Phone

    💻➡️📱 A. Using USB Cable (Wired Transfer)

    🔸 For Windows/Mac to Android:

    1. Connect your phone via USB.
    2. On your phone, select “File Transfer” mode.
    3. On your PC/Mac, open the device folder.
    4. Drag and drop files into the appropriate folder (e.g., “Downloads” or “DCIM”).

    🔸 For Windows/Mac to iPhone:

    1. Use a USB cable and connect your iPhone.
    2. Open iTunes (Windows) or Finder (Mac).
    3. Drag files into the relevant section (e.g., Music, Movies, Files).
    4. Sync your device.

    🔄 For direct file copying (like PDFs or ZIP files), use Files app > On My iPhone.

    B. Using Cloud Storage

    1. On your computer, upload files to Google Drive, iCloud, or Dropbox.
    2. Open the corresponding app on your phone and download the file.

    📌 Tip: You can also use iCloud Drive for seamless iOS and macOS integration.

    C. Using File Transfer Apps (Wireless)

    Apps like AirDroid, SHAREit, Snapdrop, and Send Anywhere let you push files from your PC to your phone easily.

    Steps (Example with SHAREit):

    1. Install SHAREit on both your computer and phone.
    2. Connect both to the same Wi-Fi network.
    3. Open the app on both devices.
    4. From your PC, select the phone and drag files to send.

    D. Using Email or Messaging Apps

    1. Send an email to yourself with the file as an attachment from your computer.
    2. Open the email on your phone and download the file.

    Or, use:

    • WhatsApp Web/Desktop to send files to yourself
    • Telegram’s “Saved Messages” to store files cross-device

    ✅ Best for quick, one-time file sharing.

    Why We Learn about Transfer Files?

    In today’s digital world, knowing how to transfer files between your phone and computer is basic. It is an essential tech skill. Whether you’re a student, professional, or content creator, this ability saves time. It boosts productivity and helps keep your digital life organized. If you take a lot of photos, it is also very helpful.

    🔹 1. Back Up Important Data

    Phones can be lost, stolen, or damaged. Regularly transferring photos, videos, documents, or contacts to your computer is a simple backup strategy. It protects your memories and files from accidental loss.

    🔹 2. Free Up Phone Storage

    Modern smartphones get filled quickly with high-resolution photos, videos, and apps. Moving large files to your computer helps clear up space and keeps your phone running smoothly.

    🔹 3. Easy File Editing and Management

    Computers offer more powerful tools for editing, organizing, and managing files. By transferring files from your phone, you can:

    • Edit documents in Word or Excel
    • Enhance photos with Photoshop
    • Zip or organize large file batches

    🔹 4. Efficient Sharing Across Devices

    Need to print a photo? Email a document? Upload a video? It’s often easier to do these tasks from your computer. Transferring files makes it possible to share content easily between work, school, or home devices.

    🔹 5. Works Without Internet

    Unlike cloud-based methods, wired file transfers don’t need internet. That’s especially useful in places with limited connectivity, like during travel or in remote areas.

    🔹 6. Faster and More Secure File Transfers

    Wired or direct local transfers, like via USB or apps like Snapdrop, are quicker than uploading to the cloud. These methods also offer more privacy. This is especially true for large video files, raw photos, or sensitive documents.

    🔹 7. Essential for Work and School

    Remote work, online classes, and digital assignments often require moving files between devices. Whether it’s PDFs, presentations, or scanned documents, this skill is a must for productivity.

    Learning how to transfer files between your phone and computer gives you control over your data. It improves efficiency and helps avoid data loss. It’s a foundational tech skill that benefits everyone — regardless of profession or age.

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    You can transfer files between your phone and computer with ease. You may prefer using a USB cable, cloud storage, or wireless apps. Your choice depends on file size, internet availability, and the type of device you’re using.

    For quick and wireless transfers, tools like Snapdrop, AirDroid, and cloud storage are ideal. For larger or sensitive files, a wired USB connection is often more secure and faster.

    By mastering these simple steps, you’ll save time. You’ll avoid frustration. You will keep your digital life in sync, whether you’re working, studying, or sharing memories.

  • How to fix these pages that aren’t indexed or served on Google

    How to fix these pages that aren’t indexed or served on Google

    Web pages that Google doesn’t index won’t appear in search results. This can seriously limit your site’s visibility and traffic. Whether you’re running a blog, e-commerce store, or business website, getting your pages properly indexed is essential for SEO. In this guide, we’ll break down the most common reasons pages aren’t being indexed. We’ll also show you how to fix them step-by-step using tools like Google Search Console.

    ✅ Step 1: Identify the Issue in GSC

    To help you fix pages that aren’t indexed or served on Google, I’ll walk you through common issues and solutions.

    First, let’s identify the specific problem. Google Search Console is the best place to start. Go to Google Search Console > Pages (or Indexing > Pages in the left sidebar).

    You’ll see reasons like:

    ❌ Common “Not Indexed” Reasons:

    ReasonWhat It MeansHow to Fix
    Crawled – currently not indexedGoogle has crawled the page but decided not to index it (yet).Improve content quality, add internal links, and wait for re-crawl.
    Discovered – currently not indexedGoogle knows about the page but hasn’t crawled it.Ensure the site allows crawling, improve internal linking, and increase site authority.
    Duplicate without user-selected canonicalGoogle sees duplicate content and picked a different page.Set canonical tags properly. Ensure this page is unique if you want it indexed.
    Blocked by robots.txtRobots.txt prevents Google from crawling the page.Remove disallow rules in robots.txt for that page.
    Noindex tagThe page appears empty or not useful, so Google treats it like a “not found” page.Remove the noindex meta tag if indexing is desired.
    Soft 404Duplicate without a user-selected canonicalEnsure the page has valuable content and returns a 200 OK status.
    Alternate page with proper canonical tagGoogle is indexing a different canonical version.If this page should be indexed, change or remove the canonical tag.
    Redirect Error / 404The page is broken or redirects incorrectly.Fix broken links and ensure correct redirects (301).

    ✅ Step 2: Fix Based on Specific Case

    1. Improve Internal Linking

    Make sure orphaned pages (no internal links pointing to them) are accessible from other indexed pages.

    2. Submit URLs for Reindexing

    Once fixed, go to GSC > URL Inspection > Enter the URL > Request Indexing.

    3. Check Technical SEO

    • Use tools like Screaming Frog or Ahrefs to crawl your site.
    • Ensure:
      • Pages return HTTP 200
      • No noindex or canonical tag conflicts
      • Page loads fast and is mobile-friendly

    4. Improve Content Quality

    If the page looks thin or duplicated:

    • Add unique content
    • Add structured data (schema)
    • Include multimedia (images, video)
    • Ensure it answers user intent

    Below is the Method to Improve Content Quality on a Website

    1. Understand User Intent

    Before you write or update content, ask:

    • What is the user searching for?
    • Are they looking for information, a product, a service, or to solve a problem?

    Tips:

    • Google the keyword and analyze the top 5 results.
    • Match the content type (blog, product page, guide) and structure.

    2. Create Original, In-Depth Content

    Google rewards content that is:

    • Unique: Not copied from other sources.
    • Comprehensive: Covers the topic fully.
    • Authoritative: Demonstrates subject expertise.

    How:

    • Go deeper than competitors.
    • Include real-life examples, case studies, or expert quotes.
    • Update outdated content with new facts or data.

    3. Use Clear and Engaging Formatting

    Well-structured content is easier to read and more SEO-friendly.

    Checklist:

    • Use H1, H2, H3 headers correctly
    • Break text into short paragraphs
    • Use bullet points and numbered lists
    • Add images, charts, or infographics to break up text

    4. Incorporate Relevant Keywords Naturally

    Don’t keyword-stuff, but use:

    • Primary keyword in the title, URL, first 100 words, and at least one heading
    • Related keywords (LSI terms) throughout the content

    Tools to help:

    • Google Keyword Planner
    • Ahrefs / SEMrush / Ubersuggest
    • AlsoAsked or AnswerThePublic

    Linking adds context and improves SEO.

    • Internal links: Link to related pages on your site
    • External links: Link to high-quality sources (gov, .edu, industry leaders)

    6. Include Rich Media and Interactive

    Improve engagement by adding:

    • Images (with alt text)
    • Videos
    • Tables or FAQs
    • Interactive elements like calculators or quizzes

    7. Improve Page Experience

    Google includes user experience signals in ranking.

    • Mobile-friendly layout
    • Fast loading speed
    • Easy navigation
    • No intrusive popups

    Use Google PageSpeed Insights and Core Web Vitals for performance checks.

    8. Use Structured Data (Schema Markup)

    Help Google better understand your content by using Schema.org markup:

    • Articles
    • Products
    • FAQs
    • How-to content

    Use Google’s Rich Results Test to check your pages.

    9. Update Content Regularly

    Old content can fall in rankings if it becomes outdated.

    Best practice:

    • Review top content every 3–6 months
    • Update stats, links, and examples
    • Add new sections to match updated search intent

    10. Encourage Engagement and Feedback

    Google tracks engagement metrics like bounce rate and time on site.

    Ideas:

    • Ask questions in the content
    • Allow comments or reviews
    • Offer downloadable content (PDFs, checklists)

    ✅ Step 3: Monitor and Follow Up

    It can take anywhere from days to weeks for Google to recrawl and index fixed pages. Check GSC regularly to confirm if your fixes worked. Learn more about how to index a website on Google Search Console.

    Conclusion:

    Fixing indexing issues isn’t always instant. Identify the root cause, whether it’s a noindex tag, crawl error, or thin content. Apply the right solution to significantly improve your site’s presence in search results. Make sure to monitor your fixes in Google Search Console.

    Stay consistent with content quality and technical SEO. Regularly audit your site to catch new issues early. Over time, these efforts will help ensure your pages are not only indexed but also performing well on Google.

  • How to Configure PPPoE on a MikroTik Router

    How to Configure PPPoE on a MikroTik Router

    MikroTik routers are powerful networking devices often used in both home and enterprise environments. Your Internet Service Provider (ISP) may supply your internet connection via PPPoE. In that case, configure your MikroTik router as a PPPoE client. This setup is essential. It allows the router to authenticate with your ISP. It also helps establish an internet connection when configuring PPPoE on MikroTik.

    Steps: Configure PPPoE on MikroTik Router

    Follow these steps to configure a PPPoE connection on your MikroTik router. You can use Winbox, WebFig, or the command line (CLI) for this setup. Just ensure you correctly configure PPPoE on the MikroTik interface. If you want to set up the PPPoE account with your computer, these instructions will help you connect it directly.

    Prerequisites:

    • MikroTik router is powered on and accessible.
    • You have administrative access to the router (via Winbox, WebFig, or CLI).
    • Your ISP has provided you with a PPPoE username and password.
    • The internet cable (from your ISP modem or ONU) is connected to Ether1 or your preferred WAN port. Properly configure PPPoE on this MikroTik WAN port.

    Configuration (Use Winbox or WebFig)

    1. Log in to the MikroTik Router

    • Open Winbox or access the router via WebFig (default IP is usually 192.168.88.1).
    • Log in with your username and password (default is admin, no password).

    2. Reset or Check Existing Configuration

    It is (Optional, but recommended for new setup)

    • Go to System > Reset Configuration if starting from scratch (optional).
    • Or check the existing configuration to avoid conflicts. When configuring PPPoE on your MikroTik, this step helps ensure nothing interrupts the setup.

    3. Assign WAN Port (Ether1) to PPPoE

    • Go to Interfaces > Interface List, confirm that ether1 is connected to the ISP.

    4. Configure PPPoE Client

    • Go to PPP > Interface tab.
    • Click the + and select PPPoE Client.
    • Set the following:
      • Name: (e.g., pppoe-out1)
      • Interface: ether1 (or your WAN port)
      • User: Enter the PPPoE username provided by your ISP
      • Password: Enter the PPPoE password
      • Dial On Demand: Unchecked
      • Add Default Route: Checked
      • Use Peer DNS: Checked
    • Click Apply, then OK. Ensuring the client configuration is correct is crucial when you configure PPPoE on a MikroTik interface.

    Then go to Dial Out and enter the PPPoE account and password.

    5. Check PPPoE Connection Status

    • Go to PPP > Interface.
    • You should see your PPPoE client showing a “running” status once connected.

    The PPPoE account has been set up.

    6. Configure NAT (Masquerade)

    • Go to IP > Firewall > NAT.
    • Click + to add a new rule:
      • Chain: srcnat
      • Out. Interface: select your PPPoE interface (e.g., pppoe-out1)
      • Go to the Action tab: set to masquerade which complements your PPPoE configuration on the MikroTik device.
    • Click Apply, then OK.

    7. Verify Internet Access

    • Go to New Terminal or Tools > Ping.
    • Run: ping 8.8.8.8 ping google.com
    • You should receive replies if the connection is working. Successful connectivity indicates you configured PPPoE on the MikroTik correctly.

    Command Line (CLI) Quick Configuration

    For advanced users or scripting:

    /interface pppoe-client add name=pppoe-out1 interface=ether1 user=YOUR_USERNAME password=YOUR_PASSWORD add-default-route=yes use-peer-dns=yes disabled=no
/ip firewall nat add chain=srcnat out-interface=pppoe-out1 action=masquerade

    By following these steps, you have successfully configured your MikroTik router to connect to the internet using a PPPoE connection. This setup enables the router to authenticate with your ISP and route traffic properly through NAT. If the connection fails, double-check your PPPoE credentials, cable connection, and interface settings. Remember, correctly configuring PPPoE on MikroTik ensures reliable internet access.

    Product Review: MikroTik hEX GER

    In a world dominated by wireless everything, there remains a critical need for robust, reliable, and powerful wired networking solutions. A dedicated wired router offers stability and performance. This is true whether it’s for a small office, a server closet, or the core of a sophisticated home network. Wireless devices simply cannot match this.

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    The MikroTik hEX, also known as the RB750Gr3, is a device built precisely for this purpose. This compact, unassuming box packs a serious punch, offering enterprise-grade features and hardware at an astonishingly affordable price point. This review will break down what makes the hEX a standout product for network enthusiasts and professionals alike.

    The MikroTik hEX (RB750Gr3) is a five-port Gigabit Ethernet router. It is designed for locations where pure wired performance and reliability are prioritized. Users also favor its advanced features over wireless connectivity. It is a versatile networking workhorse that excels in a variety of scenarios.

    Key Features & Performance:

    • Powerful Hardware: Don’t let its size or price fool you. The hEX is equipped with a powerful dual-core 880 MHz CPU and 256 MB of RAM. This hardware provides ample processing power for complex routing rules, queue management, and multiple VPN connections without breaking a sweat.
    • Excellent VPN Performance: A standout feature is its IPsec hardware encryption, which can achieve speeds of up to ~470 Mbps. This feature makes it an ideal choice for creating secure, high-speed site-to-site or client-to-site VPN tunnels. Such capabilities are typically found on much more expensive hardware.
    • Enhanced Storage & Monitoring: The inclusion of a microSD slot (a welcome upgrade from previous models) significantly improves read/write speeds. This is crucial for running the Dude network monitoring server package efficiently, as it can store historical data and maps. It also allows for basic file storage capabilities.
    • Comprehensive Physical Features: The device boasts a useful array of physical features:
      • A full-size USB port for additional storage or potentially for 3G/4G modem support.
      • Passive PoE Input (24V). This allows it to be powered via an Ethernet cable. This feature simplifies installation in locations without a convenient power outlet.
      • PCB Temperature and Voltage Monitors provide vital diagnostics to ensure the device is running within safe parameters.
      • A Mode Button for quickly resetting the device or enabling CAPsMAN client mode without needing physical access to the ports.

    Target Audience:

    This router is not designed for the casual user. Its operating system, RouterOS, is incredibly powerful but has a steep learning curve. The hEX is perfect for:

    • Network Professionals and Enthusiasts who need a customizable and powerful router.
    • Small to Medium Businesses requiring a reliable, wired router with advanced VPN capabilities.
    • Home Lab Users looking to learn enterprise networking concepts.
    • Anyone needing a dedicated VPN gateway requires a core router for a network. The network has a separate wireless access point that provides Wi-Fi.

    Pros:

    • Exceptional value for money.
    • Powerful hardware for advanced routing and filtering.
    • High-speed IPsec VPN performance.
    • Compact and fanless design, leading to silent operation.
    • Robust build quality and extensive monitoring features.

    Cons:

    • No built-in Wi-Fi.
    • RouterOS has a very steep learning curve; it is not a consumer-friendly plug-and-play device.
    • The initial configuration can be daunting for beginners.

    Conclusion

    The MikroTik hEX (RB750Gr3) is a testament to the idea that the best tool is often a specialized one. By forgoing wireless functionality, it focuses all its resources on being an exceptionally capable, reliable, and powerful wired router. It offers robust hardware specs and high-speed VPN encryption. Unique features like the Dude server support and microSD expansion enhance its value. These elements make it unparalleled in the networking world.

    Its complexity places it firmly in the hands of advanced users and professionals. However, for those with the knowledge to configure it, the hEX offers impressive performance and features. These can compete with routers costing many times its price. You need raw wired networking power. If you have the skills to harness it, the MikroTik hEX is an easy recommendation.

  • How to Resolve Ruijie Switch Cannot Add to Ruijie Cloud

    How to Resolve Ruijie Switch Cannot Add to Ruijie Cloud

    Ruijie Cloud provides centralized network management for switches, access points, and routers. Occasionally, when users try to add a Ruijie Switch to Ruijie Cloud, it remains in a “Waiting” state. Alternatively, it may show as “Not Online”. This issue usually stems from connectivity, configuration, or registration problems. Please follow the steps below to help you fix the problem efficiently. This error occurs because it cannot get the IP Address, MAC, and Model on the Ruijie Cloud. And it is also not online.

    Step-by-Step Troubleshooting Guide

    1. Check Internet Connectivity

    • Ensure the switch is physically connected to a network with internet access.
    • Ping an external address (e.g., 8.8.8.8) from the switch or connected PC to confirm outbound connectivity.

    2. Verify DNS Settings

    • Incorrect DNS can prevent the switch from reaching Ruijie Cloud servers.
    • Configure a public DNS like 8.8.8.8 or 1.1.1.1 on the switch via CLI or web GUI.

    3. Confirm Switch Time and Date

    • An incorrect system time can cause certificate and registration issues.
    • Set the correct time manually or use an NTP server.
    # CLI example:
clock set 2025-07-14 10:30:00

    4. Enable Cloud Management on Switch

    • Use CLI or the switch’s web interface to ensure cloud management is turned on.
    cloud enable
cloud active-code [your activation code]
    • You can find the activation code in Ruijie Cloud under Device > Add Device.

    5. Check for Duplicate Registrations

    • Make sure the switch is not already registered to another Ruijie Cloud account.
    • If previously registered, unbind it from the old account before re-adding.

    6. Verify Firmware Version

    • Outdated firmware may cause connectivity or compatibility issues.
    • Update the switch to the latest supported firmware version from Ruijie’s official website.

    If you want to upgrade Ruijie Switch firmware, you can follow the instructions below

    How to Update Ruijie Switch Firmware

    Firmware updates enhance the performance, stability, and security of your Ruijie switch. Keeping your switch up-to-date ensures compatibility with Ruijie Cloud and access to the latest features. Below are the step-by-step methods to update the firmware on a Ruijie switch using different tools.

    Method 1: Update via Ruijie Cloud

    Step-by-Step:

    1. Log in to Ruijie Cloud.
    2. Go to Device Management > Switches.
    3. Select the switch you want to update.
    4. Click Upgrade Firmware or go to the Tools section.
    5. Ruijie Cloud will show the available firmware version.
    6. Click Upgrade and confirm.

    🔄 The switch will reboot during the update. Perform this during a maintenance window.

    Method 2: Update via Web GUI

    Step-by-Step:

    1. Access the switch via its IP address in your browser (e.g., http://192.168.1.1).
    2. Log in with admin credentials.
    3. Go to System > Firmware Upgrade or Maintenance > Upgrade.
    4. Click Browse, then select the firmware .bin file you downloaded from Ruijie’s official site.
    5. Click Upload and Upgrade.
    6. Wait for the switch to reboot.

    To update the Ruijie Switch firmware, I will provide you with the easy steps in the screenshot below.

    1. Log in to switch via its IP address in your browser (e.g., http://192.168.1.1). To check the Ruijie Switch IP Address, you can connect your switch to Mikrotik. And check the IP address on Mikrotik. To make it easier for you to know the MAC Address of that switch. And search on Mikrotik with the MAC Address to check the IP address => IP => DHCP Server => Leases.

    2. Now, maybe you get the switch IP address, Ex, 192.168.1.1. Connect the switch to your computer, or if your laptop connects to Wi-Fi, to that network. Go to the browser and enter the IP address and keyboard enter. Default user and password: admin. Now, you can log in and switch. Youou can click on Delete Backup.

    3. Then, select that switch if you see more switches, and click on Manage

    From Home, go to System => Upgrade to browse to upload the update firmware zip file. If you have not yet downloaded it, you should go download the latest firmware version first. To download, you should follow up with your Ruijie switch model.

    Click Browse to upload the firmware file zip

    Select the file and => Open

    Then click on Upload

    Then, it takes a few minutes to upgrade

    After it finishes upgrading, you log in to the Ruijie cloud controller to add this switch again. Note: Before upgrading the Ruijie switch, you should delete it from the Ruijie cloud. This is necessary when you have been added before.

    Now, I have been logged in to Ruijie cloud to add this switch again.

    Right now, adding the Ruijie switch to the Ruijie cloud is a success.

    Method 3: Update via CLI (Advanced Users)

    Step-by-Step:

    1. Download the correct firmware from the Ruijie Support Site.
    2. Set up a TFTP or FTP server on your local PC.
    3. Connect to the switch via SSH or console.
    4. Upload the firmware using this command:
    copy tftp://<your-PC-IP>/firmware-name.bin flash:
    1. Set the new firmware as the startup image:
    boot system flash:firmware-name.bin
    1. Save and reboot:
    write
reload

    ⚠️ Make sure the switch does not lose power during the upgrade.

    Important Notes:

    • Always back up your configuration before upgrading.
    • Ensure the firmware file matches your switch model.
    • If unsure, contact Ruijie support or check the switch’s datasheet on the Ruijie website.

    Updating your Ruijie switch firmware is essential for optimal performance and compatibility. Whether you’re managing the switch through Ruijie Cloud, web GUI, or CLI, always follow the official upgrade steps. This careful approach helps avoid downtime or configuration loss. If needed, Ruijie support can assist with model-specific updates or troubleshooting.

    7. Allow Necessary Ports

    Ensure the following ports are not blocked by any firewall:

    • TCP: 80, 443, 10013, 52013
    • UDP: 123 (NTP), 53 (DNS)

    8. Restart the Switch

    • After making changes, reboot the switch to apply configurations and attempt a fresh connection to Ruijie Cloud.

    Conclusion

    If your Ruijie Switch remains in the “Waiting” state, there are typically internet, DNS, or registration issues. If it shows as “Not Online”, there are similar problems likely with the internet, DNS, or registration. By following the steps above, you can systematically eliminate potential causes and restore a successful connection to Ruijie Cloud. If the issue persists even after these steps, consider contacting Ruijie technical support. They can provide deeper diagnostics. They can also assist with device unbinding.

  • How to configure Ruijie Cloud to control Ruijie AP wifi and Switch

    How to configure Ruijie Cloud to control Ruijie AP wifi and Switch

    Configuring Ruijie Cloud to manage your network devices—specifically switches and access points—provides centralized control, streamlined configuration, and real-time monitoring. In your setup, you’ll assign 3 APs to Switch‑01 and another 3 to Switch‑02, each managed via Ruijie Cloud.

    🔧 Configuration Steps

    This guide covers account setup, device onboarding, grouping, VLAN/SSID mapping, and policy enforcement for efficient WLAN/switch coordination.

    1. Set Up Ruijie Cloud Account & Project

    1. Go to cloud‑as.ruijienetworks.com, create an account & log in.
    2. Under Configuration, click Add Project, enter your network/site name and timezone to begin configuring Ruijie Cloud.
    3. Choose scenario type (e.g., Campus/Wi‑Fi + Switch), then save.
    4. Configuration Wi-Fi SSID and Password

    Now, please follow the screenshot below clearly to follow up with us. When you created an account with Ruijie Cloud. Log in, and go to the Project, click on Add.

    After clicking on Next, you need to select which types of devices you want to add to monitoring. Type in the text box and click on Next.

    Then, it will pop up a new tab to assign the WiFi name SSID, and Password. Enter your WiFi name and password by selecting strong encryption, enter the password, and click on OK.

    Below is the WiFi that you just created. When you add any Ruijie AP WiFi to this cloud, you can use this SSID and password.

    2. Add Gateway/Switches

    1. Connect each switch to the internet-connected gateway (EG or equivalent).
    2. Access each switch through local CLI/web interface to configure: Switch(config)# cwmp Switch(config-cwmp)# acs url http://devicereg.ruijienetworks.com/service/tr069servlet
    3. In Ruijie Cloud, open the project. Then, go to Add Device → Switch. Input the serial number. Wait 3–5 minutes for the switch to show online.

    Note: I show only how to add a Switch to the cloud by going to Devices => Switch => Add

    Then enter the Serial Number of your Ruijie Switch at 1 SN: (…) and Alias: Switch-01 (name of your switch). Then click on Finish. Your switch is added to Ruijie Cloud. If your network line connects well, it will be online in a few minutes. To get the SN of your Ruijie Switch, you can check on the device next to the QR code.

    3. Add Access Points

    1. Connect each AP via PoE to its assigned switch (3 on Switch‑01, 3 on Switch‑02).
    2. Ruijie APs auto-provision through CWMP once online.
    3. In the project, click Add Device → AP. Then, scan the QR code or enter the SN manually. These steps configure Ruijie Cloud settings.
    4. Confirm all devices are Online & Synced.

    Connect each AP via PoE to its assigned switch (Note: your switch also has PoE support)

    Then log in to your Ruijie cloud and follow the steps. In the project, click Add Device → AP. Next, scan the QR code. Alternatively, you can enter the SN manually to configure Ruijie Cloud settings.

    After clicking on Add, a tab will pop up. You need to enter the SN of the AP. Then, enter the Name of your AP location. Finally, click on Finish.

    Below are the APs that I have added to the Ruijie Cloud controller. It is done.

    4. Organize Groups & Assign APs

    1. Navigate to Configuration → Groups.
    2. Create two AP groups: Group A (for Switch‑01) and Group B (for Switch‑02).
    3. Drag each AP into the appropriate group. You can add sub‑groups if needed while configuring Ruijie Cloud.

    5. Configure VLANs and SSIDs

    1. Under each group: Go to Wireless → Basic.
    2. Add SSIDs (e.g., Corp_AP1) and assign VLAN IDs according to the backend network.
    3. Ensure uplink interfaces on switches are set to trunk with VLANs used by APs (e.g., VLAN 10 for Group‑A, VLAN 20 for Group‑B) as you configure Ruijie Cloud.

    6. Switch Port & VLAN Configuration

    1. On each switch in Cloud: set access ports (for APs) to the untagged VLAN of its group.
    2. Configure the uplink port as a trunk carrying all VLANs (1, 10, 20…).

    7. Apply & Verify

    1. Save and push the configuration.
    2. In Cloud → Dashboard, check device statuses.
    3. Test client devices: Should connect to the correct SSID and receive IP from the proper VLAN.
    4. Troubleshoot using switch/AP logs, ping cloud, and verify CWMP connectivity while configuring Ruijie Cloud network solutions.

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    ✅ Conclusion

    By configuring Ruijie Cloud, you’ve established centralized control over your switches and APs. This enables scalable group management. It also allows VLAN-based SSID deployment and secure device monitoring. This setup offers effortless policy propagation and visibility—whether troubleshooting firmware, VLAN mismatches, or client connectivity. If your plan grows, simply add new switches or AP groups in Cloud. Let me know if you’d like assistance with VLAN planning or Wi‑Fi tuning!

  • How to update the PHP versions on the WordPress website

    How to update the PHP versions on the WordPress website

    Keeping your WordPress website running on the latest supported PHP version is essential for maintaining performance, security, and compatibility. PHP 8.3 introduces several improvements over previous versions, including better speed, more robust typing, and enhanced error handling. However, if you need to update the PHP versions on the WordPress platform, it’s not just a click-and-go process.

    You must plan carefully to ensure your website continues to function smoothly. This guide will walk you through the steps to safely upgrade your WordPress site to PHP 8.3. To update the PHP version of your WordPress website to PHP 8.3, follow these steps. The exact process depends on your hosting environment, but the general steps are outlined below:

    Your website might alert you to update the PHP version. It indicates that the current PHP version is outdated. Follow the steps below.

    ✅ Step 1: Check WordPress Compatibility

    Before updating PHP, ensure your WordPress version, theme, and plugins are compatible with PHP 8.3:

    • Update WordPress to the latest version.
    • Update all themes and plugins.
    • Check for PHP 8.3 compatibility using the PHP Compatibility Checker plugin. Note: Some results may be inaccurate. Test in a staging site if possible.

    ✅ Step 2: Backup Your Website

    Use a plugin like UpdraftPlus, All-in-One WP Migration, or your hosting provider’s tools to:

    ✅ Step 3: Switch PHP Version Control Panel

    💡 Common Hosting Panels:

    cPanel:

    1. Log in to cPanel.
    2. Go to Select PHP Version or MultiPHP Manager.
    3. Locate your domain.
    4. Select PHP 8.3 from the dropdown.
    5. Click Apply or Save.

    When you have logged in to your hosting cPanel go down to Software and go to PHP MultiPHP Manager.

    Then, select your website that you want to update the PHP version, go to the right side, choose the latest PHP version, and click Apply

    Now the PHP version 8.3 is updated on my website, done. For other hosting, you can follow with steps below

    Plesk:

    1. Log in to Plesk.
    2. Navigate to Websites & Domains > PHP Settings.
    3. Choose PHP 8.3 from the PHP version dropdown.
    4. Click Apply.

    SiteGround:

    1. Log in to Site Tools.
    2. Go to Dev > PHP Manager.
    3. Click Edit next to the domain.
    4. Choose PHP 8.3 and click Confirm.

    Bluehost, HostGator, GoDaddy, etc.:

    • Use their respective PHP or Software Settings panel (search for “PHP Version”).
    • Most provide a way to choose PHP 8.3 from a dropdown.

    If unsure, contact your host’s support for assistance.

    ✅ Step 4: Test Your Website Thoroughly

    After upgrading:

    • Check your site on the front end.
    • Test contact forms, shopping carts, and other dynamic features.
    • Check the WordPress admin area for issues.

    ✅ Step 5: Fix Any Issues

    If something breaks:

    • Restore your backup.
    • Test on a staging site first.
    • Consider updating/replacing incompatible plugins.

    ⚙️ Optional: Use a Staging Site First

    If your host supports staging (e.g., Kinsta, WP Engine, SiteGround). Clone your site to a staging environment, update PHP there, and test before applying to your live site.

    Why Need to update PHP version on website?

    1. Improved Performance

    Newer versions of PHP are significantly faster and more efficient. PHP 8.3, for example, executes code faster than previous versions, which means:

    • Quicker page load times
    • Lower server resource usage
    • Better handling of high traffic

    Faster websites also contribute to better SEO and user experience.

    2. Enhanced Security

    Older PHP versions no longer receive security updates. Running an outdated PHP version exposes your website to:

    • Vulnerabilities and exploits
    • Malware attacks
    • Compatibility issues with newer security practices

    Updating to PHP 8.3 ensures you are using a version that’s actively maintained and secure.

    3. Compatibility Latest WordPress Features

    WordPress and many plugins/themes are built to work with newer PHP versions. Updating PHP ensures:

    • Compatibility with the latest WordPress core releases
    • Proper functioning of modern plugins and themes
    • Fewer bugs or unexpected errors

    4. Access to New Language Features

    PHP 8.3 introduces:

    • Enhanced type safety
    • Improved error handling
    • Cleaner syntax
    • New functions and performance improvements

    These features make development more robust and future-friendly, even if you’re not writing code yourself.

    5. Compliance and Best Practices

    Using up-to-date software is part of website maintenance best practices. Many hosting providers, developers, and security services require a modern PHP version to ensure:

    • Regulatory compliance
    • Compatibility with performance monitoring and caching tools
    • Long-term stability

    ⚠️ What Happens If You Don’t Update?

    • Your site may become slow and insecure.
    • You might face plugin/theme compatibility issues.
    • Hosting providers may eventually force an update or drop support.

    Conclusion

    Upgrading your website to PHP 8.3 is a proactive step toward improved speed, security, and long-term compatibility. Follow the proper update process by checking compatibility and backing up your site. Update via your hosting control panel, and thoroughly test afterward. This way, you can minimize potential issues and enjoy the benefits of a modern PHP environment.

    If you’re unsure at any stage, consider testing in a staging environment or consulting with your hosting provider for guidance. Taking these precautions ensures your website remains reliable, secure, and optimized for the future.

  • How to Copy on Both Sides HP Color LaserJet Pro MFP M283fdw

    How to Copy on Both Sides HP Color LaserJet Pro MFP M283fdw

    The HP Color LaserJet Pro MFP M283fdw is a versatile all-in-one printer. It is designed to handle a range of tasks. These tasks include high-quality color printing, scanning, and copying. It does not support automatic two-sided copying.

    Steps to Copy on Both Sides (Manually)

    However, it allows manual duplex copying. You just need to flip the pages yourself during the process. This guide walks you through step-by-step instructions on how to copy a two-sided document using the manual method.

    ✅ Step 1: Load the Original Document

    • Place the original document you want to copy face down on the scanner glass.
    • If you have a single-sided original, just place one side.
    • If it’s already two-sided, you’ll scan one side at a time.

    To copy 2 pages of a paper onto 1 paper that has 2 sides, first put the 2 papers into the HP printer

    Copy on Both Sides HP Color

    ✅ Step 2: Start the Copy Process

    • On the printer’s touchscreen, tap the Copy icon.
    • Adjust copy settings like color, number of copies, and paper size if needed.
    Copy on Both Sides HP Color

    ✅ Step 3: Copy the First Side

    • Tap on Settings to copy the first side.
    • Once it prints, take the copied page from the output tray.
    Copy on Both Sides HP Color

    ✅ Step 4: Select Two-sides

    • To go to the function to copy
    Copy on Both Sides HP Color

    📌 Tip: It may take a try or two to get the orientation correct. You might need to flip it horizontally or vertically. This depends on your settings and how the printer feeds the paper.

    Optional: Use the Document Feeder (ADF)

    If you have two single-sided originals (not printed back-to-back), and want to make a double-sided copy:

    1. Place both originals face up in the ADF (Automatic Document Feeder).
    2. On the touchscreen:
      • Go to Copy Settings.
      • Look for an option like Duplex Copy or 2-sided copy, if available.
      • Choose 1->2 Sided (meaning you are copying two single-sided pages onto one double-sided sheet).
    3. Then click on
    Copy on Both Sides HP Color

    Then click on Black or Color that you want to print. Here, I clicked on Black for printing.

    Copy on Both Sides HP Color

    Note: If your firmware version doesn’t offer built-in duplex options in the copy menu. Then you will have to copy manually. It is necessary to rely on manual copying. You need to copy manually. This is the only way.

    Now it has been copied with both sides.

    Copy on Both Sides HP Color7

    The HP Color LaserJet Pro MFP M283fdw does not support automatic two-sided copying. However, you can still perform manual duplex copying by following a few simple steps. Once you get used to the process, it becomes quick and efficient. If you regularly need double-sided copies, use the ADF for multi-page jobs. Refeed the paper manually for duplex output. Learn more with other tips. Discover how to fix the HP Color LaserJet Pro MFP M478fnw if it is not printing on both sides.

    Product Overview: HP Color LaserJet Pro MFP

    In the fast-paced world of business, your team needs technology that keeps up. Meet the HP Color LaserJet Pro MFP 3301fdw (499Q5F). It’s the wireless all-in-one laser printer. This device is built to handle the high demands of your office. This printer delivers stunning, professional-quality reports. It offers efficient scanning and secure faxing. It is the perfect hub for your small team’s workflow.

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    (Key Features Section)

    Vivid, Professional Color Output
    Make every document a statement. The MFP 3301fdw uses next-generation TerraJet toner. It delivers remarkably vivid colors and sharp black text. This ensures your in-house reports, marketing materials, and client presentations always look their absolute best.

    Engineered for Maximum Productivity
    Stop waiting for your printer and start accomplishing more. With print speeds of up to 26 pages per minute—for both black and color—this printer powers through workloads. Boost efficiency further with built-in automatic duplexing. This feature allows for 2-sided printing. Additionally, a 50-page automatic document feeder ensures quick, hands-free scanning and copying.

    Award-Winning Reliability
    You can count on it. As part of America’s most trusted printer brand, the Color LaserJet Pro MFP 3301fdw is designed for durability. It’s always ready to perform, page after page, meeting the relentless demands of your business without hesitation.

    Simplified Wireless Connectivity
    Stay connected without the headaches. The dual-band Wi-Fi with self-reset technology automatically detects common connection issues. It also resolves these issues. This ensures your team can print reliably from their laptops, phones, or tablets.

    Robust All-in-One Functionality
    This isn’t just a printer. It’s a complete office solution:

    • Print: High-speed, professional color and black.
    • Scan & Copy: 2-sided single-pass scanning saves time.
    • Fax: Send and receive faxes directly.

    Specifications Summary:

    • Model: HP Color LaserJet Pro MFP 3301fdw (499Q5F)
    • Functions: Print, Scan, Copy, Fax
    • Print Speed: Up to 26 ppm (black/color)
    • Paper Handling: 250-sheet input tray, Auto Duplex Printing
    • Connectivity: Wireless, Dual-band Wi-Fi with Self-Resetting
    • Special Technology: TerraJet Toner for vivid color

    (Note on Cartridges)
    This printer is intended to work only with cartridges with HP chips or circuitry. It is designed to block cartridges using non-HP chips or circuitry. Periodic firmware updates will maintain the effectiveness of these measures to protect print quality and hardware integrity.

    5 Reasons HP Color Pro is Best for the Office

    Is your office printer holding your team back? If you’re dealing with slow print speeds, dull colors, or constant connection drops, it’s time for an upgrade. The HP Color LaserJet Pro MFP 3301fdw is designed specifically to solve these problems. Here’s why it’s the best choice for small teams that value quality and efficiency.

    1. First Impressions Matter: Professional Vivid Color
    Your internal and external documents represent your business. The advanced TerraJet toner technology produces incredibly vibrant colors and crisp text, turning everyday reports into professional statements. It could be a chart for a meeting. It might be a proposal for a client. Always ensure your work looks its best.

    2. Built for Speed, Designed for Efficiency
    Time is money. With print speeds up to 26 ppm for both black and color, this printer eliminates bottlenecks. Features like automatic two-sided printing and a 50-page Automatic Document Feeder (ADF) offer multi-tasking. Your team can print one job while scanning another. This dramatically boosts overall productivity.

    3. Uninterrupted Workflow with Self-Healing Wi-Fi
    There’s nothing more frustrating than a printer that won’t connect. The dual-band Wi-Fi with self-reset is a game-changer. It automatically detects connection issues. It resets itself to get your team back to printing in minutes. This minimizes downtime and IT support tickets.

    4. The Reliability of America’s Most Trusted Brand
    You need hardware you can depend on. HP is known for its award-winning reliability, and the 3301fdw is built to this standard. It’s engineered for the high demands of a business environment, ensuring it’s ready to perform whenever you are.

    5. An All-in-One Powerhouse
    Why clutter your office with separate devices? This single unit expertly handles printing, scanning, copying, and faxing. The two-sided, single-pass scanner is a standout feature. It digitizes both sides of a document in one go. This saves you significant time and effort.

    The Bottom Line:
    The HP Color LaserJet Pro MFP 3301fdw (499Q5F) isn’t just a printer; it’s a productivity partner. It combines speed, stunning color quality, and robust reliability. This compact device is perfect for any small office looking to upgrade its capabilities and professionalism.

    Technical Specifications / Feature Breakdown

    Product: HP Color LaserJet Pro MFP 3301fdw Wireless All-in-One Color Laser Printer (499Q5F)

    Core Functionality:

    • All-in-One: Print, Scan, Copy, Fax
    • Technology: Color Laser
    • Best For: Small office teams, professional home offices

    Print Performance:

    • Print Speed: Up to 26 pages per minute (black and color)
    • First Page Out: As fast as 11 seconds
    • Toner Technology: Next-generation HP TerraJet Toner
    • Duty Cycle: Robust design for high-volume printing demands
    • Duplex Printing: Automatic two-sided printing (standard)

    Scan & Copy Performance:

    • Scanner Type: Flatbed + Automatic Document Feeder (ADF)
    • ADF Capacity: 50 sheets
    • Scan Features: 2-sided single-pass scanning
    • Optical Resolution: High-resolution for sharp digital copies

    Paper Handling:

    • Input Tray Capacity: 250 sheets
    • Output Tray Capacity: 100 sheets

    Connectivity:

    • Standard: Wireless Wi-Fi
    • Wi-Fi Technology: Dual-band (2.4 GHz & 5 GHz)
    • Smart Feature: Wi-Fi self-reset for automatic troubleshooting

    Additional Features:

    • Brand Reliability: Award-winning HP performance
    • Security: HP+ is optional for advanced security features
    • Mobile Printing: HP Smart App enabled for printing from anywhere

    Important Product Note:

    • This printer is designed to work exclusively with cartridges containing original HP chips or circuitry. It will not function with cartridges using non-HP chips. Periodic firmware updates preserve the integrity of this measure and ensure consistent print quality and printer performance.

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