HP Designjet 5100 Printer series - Manual (Page 102)

7-6
Troubleshooting the ink supply
HP Designjet 5100 printer Customer Reference Guide
3 Load the sponge into the carriage interconnect wiper 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 has the
problem, as indicated on the front panel. Use the procedures in 73, in
section maintain the ink system on the reverse of this 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, towards the electrical contacts.