Printhead Service Check - Lexmark C540 Service Manual

Printhead service check

This service check includes the following errors:
Error code
106.xx
107.xx
108.xx
109.xx
Step Questions / actions
1 Turn the printer off, and remove the rear
shield. See "Rear shield removal" on
page 4-11. Check the cable at JMIRR1 for
proper connection to the controller board, the
printhead cable for pinch points, and the cable
or connector for any other damage.
Is the cable damaged?
2 Turn the printer on, and then wait until the
printer posts an error. Using a voltmeter, check
the following values at JMIRR1:
Are the values approximately correct?
Color
Yellow
Cyan
Magenta
Black
JMIRR1
Pin Volt.
(V dc)
1 5
2 3.3
3 5
4 GND
5 24
Yes
Replace the printhead. See
"Printhead removal" on
page 4-49.
Replace the controller board
See "Controller board
removal" on page 4-19.
5025-2xx, 4xx
No
Go to step 2.
Replace the printhead. See
"Printhead removal" on
page 4-49.
2-51
Diagnostic information