Power service check – Lexmark 4200 Series User Manual
Page 30
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2-14
Service Manual
4413-XXX
Power service check
FRU
Action
1
Power Supply
Plug the machine into an outlet. Check for
approximately 30 V dc at CN4 pin 2. If voltage is
incorrect, replace the power supply.
2
Printhead Cables
Paper Feed Motor
Carrier Transport
Motor
Control Panel
Unplug the printer. Disconnect the printhead
cables and plug in the printer. Look for a symptom
change. Check the failing part for shorts and
replace as necessary.
Repeat this procedure for the carrier transport
motor, paper feed motor, and control panel.
3
System Board
If the symptom has not changed, replace the
system board. Go to the
.
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