HP Officejet Pro 8000 - A811 - Manual (Page 50)

12. Pull the printhead latch all the way forward, and then press down to ensure that the
latch is engaged correctly. You might have to apply some pressure to engage the
latch.
13. Close the top cover.
14. If the control-panel message remains, repeat the cleaning procedure for the
printhead that corresponds to the message.
15. If the control-panel message remains, replace the printhead which corresponds to
the message.
16. Wait while the printer initializes the printheads and prints the alignment pages. If
the printer does not print the pages, start the alignment process manually. For
more information, see To align the printheads.
To replace the printheads
NOTE: To find out which printheads work with your printer, see Supplies.
Replace the printheads only when the printhead health indicates that the printheads
need replacement. For more information, see To check printhead health.
Use these instructions to replace a printhead.
1. Open the top cover.
2. If the carriage does not move to the left automatically, press and hold the OK
button until the carriage moves to the left. Wait for the carriage to stop moving.
3. Lift the printhead latch.
Chapter 4
46 Solve a problem