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HP Recommended
HP OfficeJet Pro 7740 Wide Format All-in-One Printer
Microsoft Windows 10 (64-bit)

I've had no problems printing, but a couple days ago, an error message suddenly appeared on the printer screen reading "Incompatible cartridges". Underneath it reads "This printer is not designed to use continuous ink systems. To resume printing, remove continuous ink system and install original HP [or compatible] cartridges."

All the cartridges are original HP cartridges, so I'm not sure how to proceed. Do I need to go ahead and replace the cartridges I've been using without issue until now?

Any or all help will be welcome. Thanks.

1 REPLY 1
HP Recommended

Hi @JudgeSturdy,

 

Welcome to the HP Support Community

I'd like to help!

 

I understand you are facing cartridge error.

 

Try the below suggestions -

 

Reset the printer

  • Reset the printer to recover from printer errors or failures.
  • If your printer has a rechargeable battery, remove it.
  • With the printer turned on, disconnect the power cord from the printer.
  • Unplug the power cord from the power source.
  • Wait 60 seconds.
  • Reconnect the power cord to a wall outlet and to the printer.
  • NOTE:
  • HP recommends plugging the printer directly into a wall outlet.
  • Turn on the printer to complete the reset.

Clean the ink cartridge electrical contacts

Remove any debris or buildup from the contacts on the cartridges.

Open the door or lid to the cartridge access area. Wait until the carriage stops moving before continuing.

Push in on the cartridge indicated in the error message to release it from the carriage.

Removing the ink cartridge

Wipe the copper-colored contact on the cartridge with a lint-free cloth.

Cleaning the contact on the ink cartridge

Slide the cartridge into its color-coded slot until it clicks into place.

Repeat these steps for any other cartridges indicated in the error message.

Close the door or lid to the cartridge access area.

 

If the error persists,

  • I've sent you a private message with further instructions to get this issue sorted.
  • In order to access your private messages, click the private message icon on the upper right corner of your HP community profile, next to your profile Name or simply click on this link:  https://h30434.www3.hp.com/t5/notes/privatenotespage

 

Hope this helps! Keep me posted. 

 

Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.

Click the “Yes" on the bottom right to say “Thanks” for helping

† 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>.