Printhead Service Check - Lexmark X543 Service Manual

7525-xxx

Printhead service check

This service check includes the following errors:
Error codes Color
106.xx Yellow
107.xx Cyan
108.xx Magenta
109.xx Black
Step Questions / actions
Turn the printer off, and remove the rear
1
shield. See
"Rear shield removal" on
4-7. Check the cable at JMIRR1 for
page
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?
Turn the printer on, and then wait until the
2
printer posts an error. Using a voltmeter, check
the following values at JMIRR1:
Are the values approximately correct?
Service Manual
2-60
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 4-61.
Replace the controller board
See
"Controller board
removal" on page 4-18.
No
Go to step 2.
Replace the printhead. See
"Printhead removal" on
page 4-61.
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