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- HP Community
- Printers
- Printing Errors or Lights & Stuck Print Jobs
- OFFICE JET ISSUE

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Check out our Black or Color Ink Not Printing, Other Print Quality Issues info about: Print quality and Cartridge Issues.
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2 REPLIES 2
06-13-2025 06:07 AM
@NEPTRIX, Welcome to HP Support Community.
Thank you for posting your query, I will be glad to help you.
Based on the image, your HP OfficeJet Pro 7740 is displaying a "Supply System Problem" error. Here's how you can resolve this issue:
Restart the Printer
- Turn off the printer and unplug the power cord.
- Wait for 60 seconds.
- Plug it back in and turn the printer on.
Check Ink Cartridges
- Open the ink cartridge access door.
- Remove all cartridges and inspect them for damage or leaks.
- Reinsert the cartridges firmly into their slots.
Replace the Affected Cartridge
- If the error message specifies a particular cartridge, try replacing it with a different, non-empty HP original cartridge.
- Avoid using refilled or third-party cartridges as they may cause compatibility issues.
Update Printer Firmware
- Go to the HP Support page and enter your printer model.
- Download and install the latest firmware for your HP OfficeJet Pro 7740.
I hope this helps.
Take care and have a good day.
Please click “Accepted Solution” if you feel my post solved your issue, it will help others find the solution. Select "Yes" on the bottom left to say “Thanks” for helping!
Max3Aj
HP Support
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