Print The Self Test; Replace The Print Cartridge - HP 640 Fax series User Manual

Print the self test

Print the self test
When you want to test if the machine is working correctly, you can check it by printing the
self test.
1. Press Menu repeatedly until TOOLS appears and press OK.
2. Scroll to Self Test by pressing
The machine runs self test and prints a report which shows the current status of the
machine.

Replace the print cartridge

When you notice that the print becomes light or ink low or when install new ink
cartridge appears in the display, replace the print cartridge. The part number for
replacement cartridges is HP 701.
1. Take out a cartridge from its packaging and carefully remove the tape covering the
printhead.
Hold the cartridge by the colored top or black areas only. Do not touch the copper
area.
2. Press the Access Cartridge button on the control panel.
1
The cartridge carrier moves to the install position.
44 Care and maintenance
and press OK.
1 Access Cartridge