HP Photosmart C4780 - Manual (Page 98)

5. Close the print cartridge door.
6. Check to see if the error has been resolved.
•
If the error has been resolved, then there is a problem with the black print
cartridge.
• If the error has not been resolved, continue to the next step.
7. Open the print cartridge door and reinsert the black print cartridge by sliding it forward
into the slot on the right. Then push the print cartridge forward until it clicks into the
slot.
8. Remove the tri-color print cartridge from the slot on the left.
Press down on the cartridge to release it, and then pull it toward you out of the slot.
9. Close the print cartridge door.
10. Check to see if the error has been resolved.
•
If the error has been resolved, then there is a problem with the tri-color print
cartridge.
• If the error has not been resolved, then there is a problem with both print
cartridges.
11. Open the print cartridge door and reinsert the tri-color print cartridge by sliding it
forward into the slot on the left. Then push the print cartridge forward until it clicks into
the slot.
12. Close the print cartridge door.
• Solution 1: Remove and reinsert the print cartridges
• Solution 2: Clean the print cartridge contacts
• Solution 3: Replace the print cartridge
Solution 1: Remove and reinsert the print cartridges
Solution: Remove and reinsert the print cartridges and verify that they are fully
inserted and locked in place.
Chapter 12
96 Solve a problem
Solve a problem