Printhead Service Check - Lexmark X543 Series Service Manual

Printhead service check

This service check includes the following errors:
Error codes Color
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
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?
Yellow
Cyan
Magenta
Black
4-7.
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 4-42.
Replace the controller board
See "Controller board
removal" on page 4-16.
7525-xxx
No
Go to step 2.
Replace the printhead. See
"Printhead removal" on
page 4-42.
2-59
Diagnostic information