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A_Gayathri
HP Administrator
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When your HP LaserJet M234sdw printer displays an Er/05 error message, it typically indicates that there is a paper jam in the printer, specifically in the toner cartridge area.

Here are detailed troubleshooting steps to resolve this issue:

  1. Turn Off the Printer:

    • Ensure your printer is turned off and unplugged from the power source to avoid any electrical hazards while clearing the jam.

  2. Open the Printer:

    • Locate and carefully open the toner cartridge door to access the toner cartridge area.

  3. Remove the Toner Cartridge:

    • Gently remove the toner cartridge from the printer by pulling it straight out. Be cautious not to touch the green roller.

  4. Clear the Jam:

    • Inspect the toner cartridge area for any jammed paper. If you see any paper, gently pull it out of the printer. Make sure to remove any tiny pieces of paper that might be causing the jam.

  5. Re-insert the Toner Cartridge:

    • Once the paper jam is cleared, reinsert the toner cartridge into the printer. Ensure that it is seated properly.

  6. Close the Printer Door:

    • Close the toner cartridge door securely to ensure that the printer is ready for operation.

  7. Reconnect Power and Turn On the Printer:

    • Plug the printer back into the power source and turn it on. The printer should initialize and ideally clear the Er/05 error.

Additional Tips

  • Check for Obstructions: Besides clearing the visible paper, ensure there are no other obstructions around the print area.

  • Update Printer Firmware: Keeping the printer firmware up-to-date can resolve many errors and improve overall printer performance.

Following these steps should help resolve the Er/05 error on your HP LaserJet M234sdw printer. Regular maintenance and proper loading of paper can help prevent such errors in the future.

Need help or have any questions? Start a new discussion here and get the answers you need.

† The opinions expressed above are the personal opinions of the authors, not of HP. By using this site, you accept the <a href="https://www8.hp.com/us/en/terms-of-use.html" class="udrlinesmall">Terms of Use</a> and <a href="/t5/custom/page/page-id/hp.rulespage" class="udrlinesmall"> Rules of Participation</a>.