90 Printer maintenance ENWW
Replacing supply items
Carefully follow the guidelines in this section when replacing printer supplies or parts. Changing
print cartridges
Replace a print cartridge when the printer control panel displays a REPLACE <COLOR>
CARTRIDGE message. The control panel display will also indicate the color that should be
replaced (unless a genuine HP print cartridge is not currently installed).
1 Lift the front door handle and pull down the front door.
CAUTION Do not place anything on the transfer unit and do not touch the transfer unit, which is located on the
inside of the front door. If the ITB (intermediate transfer belt) on the transfer unit is punctured, print
quality problems may result.
2 Remove the used print cartridge from the printer.
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