Installed new cartridge, but can not print because of ink inconsistency message

[Robert0077]

Install new ink cartridge but can not print due to inconsistency error message, I have purchased new cartridges and still get the same error message, can not print...

[Nal_NR]

Hi @Robert0077,

Welcome to the HP Support Community. 

I'd like to help!

Encountering an "ink inconsistency" message on your HP OfficeJet Pro 8740 after installing a new cartridge can be frustrating. This message often indicates a problem with the cartridge recognition or ink supply. Here are some steps to troubleshoot this issue:

Reinstall the Cartridge: Turn off the printer, remove the new cartridge, and reseat it properly. Ensure it's inserted securely into the correct slot.

Check for Protective Tape or Seal: Verify that you've removed any protective tapes or seals on the new cartridge. These coverings might obstruct ink flow or prevent proper recognition by the printer.

Clean Cartridge Contacts: If there's any dirt or residue on the cartridge's metallic contacts, gently clean them with a lint-free cloth lightly dampened with distilled water. Ensure it's completely dry before reinstalling.

Restart the Printer: Turn off the printer, unplug it from the power source, and wait for a few minutes. Then, plug it back in and turn it on. Sometimes, a simple reset can resolve recognition issues.

Check for Firmware Updates: Ensure your printer's firmware is up-to-date. Select your current OS and update. Click here

Use Genuine HP Cartridges: Using genuine HP cartridges can prevent compatibility issues. Non-HP cartridges or refilled cartridges might cause inconsistencies or errors.

Perform Printer Diagnostics: Many HP printers have a built-in diagnostic tool or software that can identify cartridge issues. Navigate through the printer menu or use the HP printer software on your computer to run diagnostics.

If the problem persists, reaching out to HP Phone Support would be advisable. They can provide specific troubleshooting steps or arrange a solution, especially if the printer or cartridge is under warranty.

Hope this helps! Keep me posted for further assistance.
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