HP Deskjet D1550 Printer - Manual (Page 76)

• Check the electrical contacts for debris.
• Make sure all the clear nozzle protective tape has been removed.
CAUTION: Do not attempt to remove the copper electrical strip!
5. Read the selection number on the print cartridge label and make sure it is
compatible with your printer. Compatible print cartridges are listed in the reference
guide that came with your printer.
1 Selection number
6. If the print cartridge has the wrong selection number, install a new print cartridge.
For more information, see Installation instructions .
7. Close the printer cover.
8. If the problem is not solved, repeat these steps.
If this did not solve the issue, try the next solution.
Solution 2: Clean the print cartridge contacts
Solution: If the print cartridge selection number is correct and the previous solution
did not resolve the problem, try cleaning the print cartridge. For more information, see
Manually clean print cartridges .
If the Power light continues to flash after cleaning the print cartridge, replace the print
cartridge. For more information, see
Replace print cartridges .
If this did not solve the issue, try the next solution.
Solution 3: Print in ink-backup mode
Solution: If you do not have a replacement print cartridge, you can still print in ink
backup mode. Remove the problem cartridge and print with the remaining cartridge.
For more information, see Ink-backup mode .
Print cartridge problems 73
Trou
bles
ho
ot
ing