Question 1

can i use glossy photo paper in my hp laserjet m234dwe?

Accepted Answer

Only if it's specifically designed for laser printers. Most glossy photo paper is for inkjet printers only and will cause serious problems. Check the paper specifications. Requirement: Paper must be designed for use in laser printers. Do Not Use: Paper designed only for inkjet printers. Paper containing metallic material (like glitter). Paper that is too rough. If you use the wrong paper: It can cause print quality issues (toner specks, smears, streaks), and more critically, it can melt or adhere to the printer's internal fuser, causing a jam or damage that requires service. Heads up: Always use paper that is of good quality, free of dust, cuts, and curls. For best results, use smoother paper. The printer's operating environment should be between 15°C and 32°C (59°F to 90.5°F) and 10% to 80% relative humidity, non-condensing.

Question 2

hp smart app won't find my m234dwe during setup. it's plugged in and turned on.

Accepted Answer

The printer isn't in a discoverable state for the app. It needs to be in wireless setup mode. Put the printer in wireless setup mode, then try the app again. On the printer control panel, press and hold the Information button for 3 seconds, then release it. All the buttons will light up. Now, press and hold the Wireless button and the Cancel button at the same time. The printer will restart. The Wireless button will start blinking blue. This is wireless setup mode. Now, on your phone or computer, make sure you're connected to the same Wi-Fi network you want the printer to use. Open the HP Smart app. Tap the Plus icon or 'Add Printer.' The app should now detect the printer. Follow the in-app instructions to complete the connection and registration. If that didn't work: There might be a firewall or antivirus program on your computer blocking the connection. Temporarily disable them to see if the app finds the printer. You can also run the HP Print and Scan Doctor utility for Windows to troubleshoot automatically. Ensure you downloaded the HP Smart app from 123.hp.com or your device's official app store.

Question 3

how do i do a full factory reset on my hp laserjet m234dwe? need to wipe all settings.

Accepted Answer

Use the Embedded Web Server to restore factory defaults. This resets all settings, not just network. Steps: Open the Embedded Web Server (EWS) on a connected computer. Access it via the HP Smart app, HP printer software, or a web browser using the printer's IP address. On the EWS, click the System tab. Click Service. In the 'Restore Defaults' area, click the 'Restore defaults' button. The printer will automatically restart. This completes the reset. If that didn't work: You may only have reset network settings. For a network-only reset, use the hardware buttons: Press and hold the Information button for 3 seconds (all buttons light up), then immediately press and hold the Wireless and Cancel buttons together. The printer restarts into wireless setup mode. This does not reset all other printer settings. Heads up: Restoring factory defaults will erase any custom configurations. You will need to set up wireless printing again afterward.

Question 4

my hp m234dwe printer says 'cartridge problem' and won't print at all. using third-party toner.

Accepted Answer

HP+ printers require Original HP cartridges. Non-Original HP or refilled cartridges will cause the printer to stop functioning. Check the cartridge policy and replace the cartridge if necessary. Open the Embedded Web Server (EWS). Navigate to the System tab, select Supply Settings. Check the 'Cartridge Policy' drop-down menu. If it is set to 'Authorized HP,' the printer is blocking non-HP toner. You can try setting the policy to 'Off' and clicking Apply. Note: This may require an administrator password. If the error persists, you must install an Original HP cartridge in official HP packaging. If that didn't work: The printer may have detected a damaged or incompatible memory chip on the cartridge. Visually inspect the toner cartridge you removed. Check the memory chip for damage. If damaged, the cartridge must be replaced with an Original HP one. Heads up: For HP+ models, using Original HP cartridges is mandatory for the printer to operate. This is a firmware restriction.

Question 5

trying to set up my new hp m234dwe with wps but it's not connecting. wireless light just keeps blinking.

Accepted Answer

Yeah, this one's common. The timing window for WPS is very short. You have to press the router's WPS button within two minutes of starting the process on the printer. Here's the exact sequence: Make sure the printer and router are close to each other. On the printer control panel, press and hold the Wireless button for at least 3 seconds. The Wireless light will start blinking. Within 2 minutes, press the WPS button on your router. When connected, the printer's Wireless light will stop blinking and stay lit. Then, open the HP Smart app, tap the Plus icon or 'Add Printer,' and follow the prompts to add it to your network and register it. If that didn't work: Your router might not have a WPS button, or WPS might be disabled. Skip WPS entirely and use the HP Smart app for setup. Go to 123.hp.com, download the app, and it will guide you through the standard wireless connection process. It's often more reliable. If the light blinks forever, the connection failed. You'll need to restart the process or use the HP Smart app method.

Question 6

hp laserjet pro m234dwe printing with weird streaks and smears all over the page

Accepted Answer

Toner, dust, or paper particles have accumulated inside. Run the internal cleaning cycles. Print a cleaning page: Open the printer's Embedded Web Server (EWS). Go to the System tab, click Service. In the 'Fuser Cleaning mode' area, click Start. Clean the cartridge: In the same EWS Service menu, in the 'Cartridge Cleaning Mode' area, click Start. If that didn't work: Inspect the toner cartridge. Remove the cartridge and verify the sealing tape has been removed. Check the memory chip for damage. If you see any damage, replace the cartridge. Reinstall it and print a test page. Also check your paper. This printer requires paper that meets HP specifications. Do not use paper that is too rough, previously printed on, or designed only for inkjet printers. Use smooth, good-quality laser paper.

Question 7

hp m234dwe keeps saying it's offline and won't print wirelessly after i moved my router. what gives?

Accepted Answer

Moving the router or printer can weaken or break the wireless signal. The printer is too far from the router or there's new interference. First, restore the printer's network settings and reconnect. On the printer control panel, press and hold the Information button for 3 seconds, then release it. All buttons will light up. Now, press and hold the Wireless button and the Cancel button together. The printer will restart and the Wireless button will blink blue, indicating it's in setup mode. Use the HP Smart app on your phone or computer to set up the wireless connection again. Go to 123.hp.com to get the app if you don't have it. If that didn't work: Your antivirus or firewall software might be blocking the connection. Run the HP Print and Scan Doctor utility to automatically diagnose and fix network issues. You can also check that your router is on and operational. Heads up: For a stable connection, make sure the printer and router aren't too far apart. Reduce interference by keeping them away from microwaves, cordless phones, and other electronics.

Question 8

my hp laserjet m234dwe won't pick up any paper, just makes a grinding noise. help?

Accepted Answer

The pickup roller is dirty. Dirt and dust prevent the roller from gripping the paper. Clean the pickup roller. Turn off the printer and unplug the power cord from the back. Remove all paper from the input tray. Flip the printer on its side. Release the blue latch, hold onto it, and remove the panel. Dampen a soft, lint-free cloth with alcohol or water. Wipe each roller with moderate pressure. Wait 10 minutes for the rollers to dry completely. While holding the blue latch, align and insert the panel. Release the latch to lock it. Flip the printer back upright. Reload the paper and plug the printer back in. If that didn't work: The paper itself might be the issue. Use only paper that meets HP specifications: good quality, free of dust, cuts, or curls, and designed for laser printers. Do not use paper that is too rough or contains metallic material like glitter. Heads up: Always unplug the printer before performing any internal cleaning. Never use sharp objects to clean the rollers.

Question 9

my hp m234dwe is making a horrible grinding noise when it tries to print, is it broken?

Accepted Answer

That grinding is usually a paper jam or a foreign object caught in the paper path. Turn it off and unplug it immediately. First, clear any obvious jam. Open all doors—the front cartridge door and the rear output door. Gently remove any crumpled paper you can see. Pull it straight out in the direction the paper travels. Don't yank it sideways. If you don't see paper, the noise might be from the pickup assembly. Flip the printer on its side (power off and unplugged). Release the blue latch and remove the panel. Shine a light in and look for a torn piece of paper label, a staple, or anything stuck around the rollers. Remove any debris. If that didn't work: A gear or internal mechanism could be damaged. If the noise persists after clearing all obstructions, you'll need to contact HP support for service. Heads up: To prevent this, always fan paper before loading, don't overfill the tray, and never use damaged paper or paper with staples or stickers.

Question 10

can i use my hp laserjet pro m234dwe with just a usb cable or does it have to be on wifi?

Accepted Answer

You can use it with a USB cable. Wireless is optional, not required for basic printing. To set up with USB, connect the printer to your computer using a USB cable. You'll need to install the full HP printer software package, which includes the USB drivers. The easiest way is to go to 123.hp.com, enter your printer model, and download the software for your operating system. The installer will guide you through the USB connection. Once installed, your computer should recognize the printer. You can select it as your default printer in your computer's settings. You can then print directly over USB. If that didn't work: The software might not have installed the correct driver. Run the HP Print and Scan Doctor utility (available from the HP support site) to automatically diagnose and fix connection issues. Heads up: Features like Web Services, remote printing, and scan-to-cloud require an internet connection via Wi-Fi or Ethernet.

Question 11

hp m234dwe wireless light is just blinking blue constantly, what does that mean?

Accepted Answer

The Wireless light blinking blue means the printer is in wireless setup mode and ready for a new network connection. You can connect it using the HP Smart app. Download HP Smart from 123.hp.com or your device's app store, open the app, tap the plus icon, and follow the steps to add the printer to your Wi-Fi. If your router has a WPS button, you can press and hold the printer's Wireless button for 3 seconds until it blinks, then press the router's WPS button within two minutes. If that didn't work, the mode may have been activated accidentally. Try restarting the printer. If the light continues blinking, the network settings were likely reset. Proceed with the HP Smart app setup as described. A solid blue Wireless light means the printer is connected. A blinking orange light indicates a wireless error or alert.

Question 12

how do i factory reset my hp laserjet m234dwe? i'm selling it

Accepted Answer

Restore all factory defaults via the Embedded Web Server (EWS). Open EWS. Find your printer's IP address from the network menu or HP Smart app. Enter that IP into a web browser on your computer. Use username 'admin'. The password is on the label inside the printer with the cartridge door open. Navigate to the System tab, click Service. In the Restore Defaults area, click the Restore defaults button. The printer will restart automatically. This resets all settings, including network configurations. For a network-only reset, use the hardware method: press and hold the Information button for 3 seconds, then press and hold the Wireless and Cancel buttons together. Heads up: After the reset, the new owner will need to set up the Wi-Fi from scratch using the HP Smart app. Remove the printer from your HP Smart app account.

Question 13

got a used hp m234dwe and it says 'cartridge error' or just won't print at all

Accepted Answer

Yeah, this one's common. It's almost always a non-HP or refilled cartridge. This printer requires Original HP cartridges to work. First, check the cartridge. Open the door and pull it out. Make sure it's an Original HP cartridge in official HP packaging. If it's a third-party or refilled one, you need to replace it with a genuine HP one. If you have a genuine cartridge and it's still erroring, inspect it. Check that the orange sealing tape is completely removed. Look at the green memory chip on the side for any physical damage. If it's damaged, the cartridge is dead. If that didn't work: The previous owner might have enabled a strict cartridge policy. You can check or disable it in the printer's Embedded Web Server (EWS). Open EWS from a web browser using the printer's IP address. The default login is username 'admin', password is on the label inside the printer with the cartridge door open. Go to System > Supply Settings. Look for the Cartridge Policy drop-down menu. If it's set to 'Authorized HP', try setting it to 'off'. Click Apply. Heads up: If it's an HP+ model, it will not function at all with non-Original HP supplies—no override.

Question 14

why is my hp laserjet pro m234dwe printing really faint or with streaks?

Accepted Answer

Probable causes: low toner, dirty cartridge, non-HP cartridge, or incorrect paper. Check toner level via the control panel or HP Smart app. Run the cartridge cleaning cycle. Open the Embedded Web Server (EWS). Go to the System tab, click Service. In the Cartridge Cleaning Mode area, click Start. Print a cleaning page for internal debris. In EWS, System > Service. In the Fuser Cleaning mode area, click Start. Inspect the toner cartridge. Remove it and verify the sealing tape is gone. Check the memory chip for damage. Replace cartridge if damaged. If that didn't work: Confirm you are using an Original HP cartridge in official HP packaging. Non-Original or refilled cartridges cause print defects. Enable the Cartridge Policy in EWS (System > Supply Settings) to block unauthorized cartridges. Heads up: Always use paper designed for laser printers, of good quality, and within the supported weight. Rough or incorrect paper causes toner adhesion issues.

Question 15

hp m234dwe printer keeps jamming paper every single time, it's driving me nuts

Accepted Answer

The pickup rollers are dirty or the paper is unsuitable. Clean the rollers. Turn off and unplug the printer. Remove all paper. Flip the printer on its side. Release the blue latch and remove the panel. Dampen a lint-free cloth with water or alcohol. Wipe each roller with moderate pressure. Wait 10 minutes for them to dry. Reinsert the panel, lock the blue latch, and flip the printer upright. Reload paper correctly. Use only paper that meets HP specs for laser printers. Do not use inkjet paper. Ensure it's undamaged—no cuts, tears, dust, staples, or curled edges. Do not use paper with metallic material like glitter. Load it into the input tray neatly. If that didn't work: The paper path inside may have a debris obstruction. Check for any small scraps of paper from a previous jam and remove them. Heads up: Operate the printer within its allowed environment: 59° to 90.5°F and 10% to 80% relative humidity. High humidity can cause paper to swell and jam.

Question 16

my hp laserjet pro m234dwe won't connect to wifi no matter what i try, any ideas?

Accepted Answer

This is usually a network handshake issue. Let's walk through a reset and reconnect. First, restore the printer's network settings to default. Press and hold the Information button (the 'i') for 3 seconds until all the buttons light up. Then, press and hold the Wireless button and the Cancel button together. The printer will restart and go into wireless setup mode—you'll see the Wireless button blinking blue. Now, reconnect using the HP Smart app. Go to 123.hp.com on your computer or phone to download it if you don't have it. Open the app, tap the plus icon or 'Add Printer', and follow the prompts. The app will guide you through connecting the printer to your Wi-Fi network. When it asks, create an HP account and register the printer. If that didn't work: Your router might be too far away or there's interference. Move the printer and router closer together. If your router has a WPS button, you can try that method instead. On the printer control panel, press and hold the Wireless button for at least 3 seconds until the light blinks, then press the WPS button on your router within two minutes. Heads up: Make sure you're not trying to connect while a VPN is active on your computer or phone, as that can block communication with the printer.

Question 17

my hp laserjet m234dwe is printing really faint, even with a new toner cartridge

Accepted Answer

Faint prints indicate a print density issue, often related to paper type or a needed internal cleaning. First, use paper that meets HP specifications for laser printers. It must be of good quality, free of dust, and not designed for inkjet use. Smooth paper yields better results. Run the cartridge cleaning utility. Open the Embedded Web Server (EWS). Navigate to System > Service. In the Cartridge Cleaning Mode area, click Start. IF THAT DIDN'T WORK: The problem may be residual contamination. Run the fuser cleaning cycle. In the same EWS menu (System > Service), in the Fuser Cleaning mode area, click Start to print a cleaning page. HEADS UP: Do not use paper that has been previously printed on, contains metallic material, or is too rough. This directly causes poor print quality.

Question 18

can i use my hp m234dwe printer without the hp smart app? i just want to scan to my computer

Accepted Answer

Yes, you can access its functions directly through the Embedded Web Server (EWS) or by using the IP address. Find your printer's IP address on a network configuration page printed from the control panel. Type that IP address directly into the address bar of a web browser (like Chrome or Edge) on a computer connected to the same network. If the browser says the site is unsafe, select the option to continue. It won't harm your device. When prompted, the username is 'admin'. The password is on the label inside the printer, behind the cartridge access door. IF THAT DIDN'T WORK: Some EWS features require a specific connection type. Ensure your computer and printer are on the same Wi-Fi network. A Wi-Fi Direct connection from your computer can also be used to access EWS. HEADS UP: For full setup, wireless management, and easy mobile printing, the HP Smart app is still the recommended method.

Question 19

hp laserjet pro m234dwe won't print at all, just says 'processing job' forever

Accepted Answer

The job is stuck in the queue. This is usually a driver or connectivity issue. Cancel all jobs from your computer's print queue and the printer's control panel. Restore the printer's network settings to default. Press and hold the Information button for 3 seconds, release, then press and hold the Wireless and Cancel buttons together until it restarts. Reconnect using the HP Smart app from 123.hp.com. IF THAT DIDN'T WORK: The Ethernet connection might be faulty if you're using a cable. Check the cable is firmly plugged into the printer and router. The light near the printer's Ethernet port should be on. Also, ensure your network hub or router is powered on. HEADS UP: Antivirus or firewall software can block the connection. Use the HP online firewall troubleshooter if you suspect this.

Question 20

how do i clean the paper pickup roller on my hp laserjet m234dwe? it's misfeeding

Accepted Answer

When it misfeeds, the pickup rollers are likely dusty. You'll need to access them directly. Here's how, step-by-step. Turn off the printer and unplug the power cord from the back. Remove all paper from the input tray. Carefully flip the printer onto its side. Find the blue latch, release it, and hold onto it while you remove the side panel. Dampen a soft, lint-free cloth with a little isopropyl alcohol or water. Wipe each roller you can see, applying moderate pressure to clean them completely. Wait a full 10 minutes for the rollers to dry completely. While holding the blue latch, align and re-insert the panel. Release the latch to lock it. Flip the printer back upright, reload your paper, plug it in, and turn it on. HEADS UP: Always use paper that's in good condition—no wrinkles, tears, staples, or curled edges. That's the best way to prevent future jams.

Question 21

hp m234dwe keeps saying 'cartridge problem' with brand new hp toner

Accepted Answer

Yeah, this one's common. The printer's Cartridge Policy might be blocking non-authorized cartridges, or the chip on the new cartridge is damaged. First, check the cartridge physically. Remove it and verify the orange sealing tape is completely removed. Check the little gold memory chip for any scratches or damage. If it's damaged, the cartridge is defective. IF THAT DIDN'T WORK: You need to disable the Cartridge Policy in the printer's settings. Open the Embedded Web Server (EWS) in a browser. Go to the System tab, select Supply Settings. From the Cartridge Policy drop-down menu, select 'off' and click Apply. HEADS UP: HP+ models require Original HP cartridges in official HP packaging. Refilled or remanufactured cartridges will not work as expected.

Question 22

my hp laserjet pro mfp m234dwe is smearing toner all over the pages

Accepted Answer

Smears are typically caused by accumulated toner or dust inside the fuser assembly. Run the internal cleaning cycle. Open the Embedded Web Server (EWS) from a web browser. The IP address is on a network report, or use the HP Smart app to access it. Navigate to the System tab, then click Service. In the Fuser Cleaning mode area, click Start. The printer will print a cleaning page. IF THAT DIDN'T WORK: The toner cartridge itself may be contaminated. Access the EWS again, go to System > Service, and in the Cartridge Cleaning Mode area, click Start. This cleans the cartridge electrically. HEADS UP: Always use paper designed for laser printers that is free of cuts, tears, dust, and metallic material like glitter. Poor paper quality causes these issues.

Question 23

hp m234dwe printer says it's connected but won't print from my phone

Accepted Answer

First, verify the printer is truly on your network and you're using the HP Smart app. Install HP Smart from 123.hp.com or your device's app store. Open the app and tap the Plus icon or 'Add Printer'. Select your printer from the list and follow the prompts to add it to your network. You'll need to create an HP account and register the printer. IF THAT DIDN'T WORK: A third-party firewall or VPN on your device can block the connection. Disable them temporarily to test. Also, run the HP Print and Scan Doctor utility on a computer to diagnose and fix the issue automatically. HEADS UP: The printer must be connected to the internet to use cloud-based print services. Check your router is on and the printer isn't too far from it.

Question 24

my hp laserjet pro m234dwe won't connect to wifi, keeps blinking

Accepted Answer

The wireless light blinking means it's in setup mode, not connected. Most likely, the network settings need a hard reset. Press and hold the Information button for 3 seconds, then release it. All the buttons will light up. Now press and hold the Wireless button and the Cancel button together. The printer will restart. When the Status light pulses purple or the Wireless button blinks blue, it's in wireless setup mode. IF THAT DIDN'T WORK: Your router's WPS setup might have timed out. On the printer control panel, press and hold the Wireless button for at least 3 seconds to start WPS. You have 2 minutes to press the WPS button on your router. The Wireless light will stop blinking and stay lit when connected. HEADS UP: After resetting, you must use the HP Smart app to reconnect. Go to 123.hp.com to get it.

Question 25

how do i factory reset my hp laserjet pro m234dwe? i'm selling it and want to wipe my settings.

Accepted Answer

You need to restore the original factory defaults via the Embedded Web Server. Open the Embedded Web Server (EWS). Connect a computer to the same network as the printer, then type the printer's IP address into a web browser. Find the IP on a printed network configuration page. Log in. Username is 'admin'. The password is printed on the label inside the cartridge access door. Click the System tab, then click Service. In the Restore Defaults area, click the Restore defaults button. The printer will restart automatically. This resets all settings, including network configurations. For a network-only reset, use the hardware method: press and hold the Information button for 3 seconds, then press and hold the Wireless and Cancel buttons together. This restores only network settings to default. Heads up: After the full factory reset, the new owner will need to set up the printer from scratch, including Wi-Fi connection via the HP Smart app.

Question 26

can i use my hp laserjet m234dwe printer with a vpn turned on? it keeps dropping off the network.

Accepted Answer

Diagnosis: VPNs often interfere with local network discovery, isolating the printer. Fix: The printer loses communication when connected to a VPN. This is a documented issue. The solution is to disconnect from the VPN when you need to print to this local network printer. If that is not feasible, alternative setups are required: Configure your VPN client to allow local network traffic (split-tunneling). Consult your VPN software or network administrator's instructions. Use a direct connection method like Wi-Fi Direct, if your use case supports it. Note: Wi-Fi Direct has limits on the number of connected devices. Prevention: For reliable local printing, establish the connection and print without the VPN active. The VPN is designed to secure external traffic and often treats internal network devices as external.

Question 27

my hp m234dwe printer is making a weird clicking noise when it tries to print. is it broken?

Accepted Answer

A repeated clicking noise during printing usually indicates a paper jam or a foreign object obstructing the paper path. First, power off and unplug the printer. Open all access doors: the front cartridge door and the rear cover. Carefully remove any torn pieces of paper you can see. Pull jammed paper straight out in the direction of paper travel. Do not yank it. If that didn't work, the issue might be with the pickup mechanism. Follow the steps to clean the pickup roller: With the printer off and unplugged, remove all paper. Flip the printer on its side. Release the blue latch and remove the panel to access the rollers. Wipe each roller with a damp, lint-free cloth. Check for any debris or worn spots. Reassemble, reload paper, and test. Heads up: Always fan paper before loading to prevent multiple sheets from sticking together and causing jams.

Question 28

hp laserjet m234dwe keeps saying 'cartridge problem' or 'use original hp' but the cartridge is genuine. help?

Accepted Answer

Yeah, this one's common. The Cartridge Policy feature might be set to block anything it doesn't deem 'authorized.' You need to check the setting in the printer's web interface. First, open the Embedded Web Server (EWS). You can get there through the HP Smart app, or type the printer's IP address into a web browser. The default login is username 'admin' and the password is on the label inside the cartridge access door. Once in EWS: Click the System tab. Select Supply Settings. Look for the Cartridge Policy drop-down menu. Set it to 'Authorized HP' or 'off'. Click Apply. If that didn't work, the cartridge's memory chip might be damaged. Remove the cartridge and check the chip. If you see any damage, the cartridge needs to be replaced. Also, HP+ models are very strict and will not work at all with refilled or non-HP cartridges.

Question 29

how do i connect my hp laserjet pro m234dwe to wifi without using the app? my router has a wps button.

Accepted Answer

You can connect it directly using the WPS button on your router. Here's how. Make sure your printer and router are close to each other. On the printer control panel, press and hold the Wireless button for at least 3 seconds. The Wireless light will start blinking. Within 2 minutes, press the WPS button on your router. When connected, the printer's Wireless light will stop blinking and stay lit. After that, you still need to add the printer to your device. Open the HP Smart app, tap the Plus icon or 'Add Printer', and follow the prompts to select and add your printer. You'll be prompted to create an HP account and register the printer. If that didn't work, the WPS handshake might have timed out. Start over, making sure to press the router's WPS button within the 2-minute window. If problems continue, using the HP Smart app for setup is the recommended alternative.

Question 30

my hp m234dwe printer is printing really faint and has streaks. i just put in a new toner cartridge.

Accepted Answer

First, run the internal cartridge cleaning cycle. Open the Embedded Web Server (EWS) in a web browser. The IP address is on a network report, or use the HP Smart app. Log in if prompted (User: admin, Password is on the label inside the cartridge access door). Click the System tab, then Service. In the Cartridge Cleaning Mode area, click Start. If streaks persist, print a fuser cleaning page. In the same EWS Service menu, find the Fuser Cleaning mode area. Click Start to begin that process. If that didn't work, inspect the cartridge. Remove it and verify the sealing tape is gone. Check the memory chip for damage. If damaged, replace the cartridge. Heads up: Paper dust can contaminate cartridges. Always use good quality, laser-specific paper.

Question 31

hp laserjet m234dwe says it's connected to wifi but my computer can't find it to print. what's the fix?

Accepted Answer

Diagnosis: A network configuration conflict or firewall block. Fix: First, restore the printer's network settings to default and reconnect. On the printer control panel, press and hold the Information button for 3 seconds, then release. All buttons will light up. Press and hold the Wireless button and the Cancel button together. The printer will restart and the Wireless button will blink blue, indicating it's in setup mode. Use the HP Smart app to reconnect the printer to your Wi-Fi network. If that didn't work, check these items: Antivirus or firewall software on your computer may be blocking the connection. Use the HP online firewall troubleshooter. Run the HP Print and Scan Doctor utility to diagnose and fix the issue automatically. Ensure the router and printer are not too far apart.

Question 32

my hp laserjet pro m234dwe won't pick up paper at all, just makes a grinding noise. what do i do?

Accepted Answer

The pickup roller is likely dirty or worn. You need to clean it. Turn off the printer and unplug the power cord from the back. Remove all paper from the input tray. Flip the printer on its side. Release the blue latch and remove the panel. Dampen a soft, lint-free cloth with alcohol or water and wipe each roller. Apply moderate pressure. Wait 10 minutes for the roller to dry completely. Reinstall the panel, flip the printer upright, reload paper, and plug it back in. If that didn't work, check the paper itself. It must be good quality, free of cuts, dust, and staples, and designed for laser printers. Don't use inkjet paper or paper with glitter. Heads up: Always use paper that meets HP specifications. Rough or damaged paper is a common cause of feed problems.

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