HP (Hewlett-Packard) 4000 All in One Printer User Manual


 
6. Insert the carriage interconnect wiper into the printhead slot at the back. Wipe the electrical
contacts by inserting the tool between the electrical connections at the back of the slot and the
steel spring with the sponge facing away from you and towards the electrical contacts. Try to
avoid picking up any ink deposit which may have accumulated on the bottom surface of the slot.
CAUTION If the carriage is left in the central part of the printer for more than seven
minutes. it will try to move back to its normal position in the right-hand end.
7. Rub the sponge against the contacts with a light force along the entire depth of the flex
connector as allowed by the mechanical stop on the tool.
8. Take special care to clean all contacts thoroughly, including the ones at the lowest point of the
connector.
186 Chapter 11 How do I... (ink system topics) ENWW
How do I... (ink system
topics)