HP Designjet L25500 Printer Series - Maintenance and troubleshooting guide (second edition)

2. Open the carriage interconnect wiper.
3. Load the sponge by positioning the sponge on the face of the carriage interconnect wiper with the
shorter tab in the locating slot.
4. Close the carriage interconnect wiper, trapping the sponge in place.
5. Open the printhead carriage latch and extract the printhead that is causing the problem, as indicated on
the front panel. See the User's guide.
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 that may have accumulated on the bottom surface of the slot.
CAUTION: If the carriage remains in the central part of the printer for more than 7 minutes, it
attempts to return to its home position to the right.
ENWW Clean the electrical connections on a printhead 13