Lexmark 4402-001 Manual Do Utilizador
2-14
Service Manual
4402-001
Power Service Check
FRU
Action
1
External Power
Supply
Supply
Plug the external power supply into an outlet.
Check for + 30 V dc. If voltage is incorrect, replace
the power supply.
Check for + 30 V dc. If voltage is incorrect, replace
the power supply.
2
Printhead Cable
Paper Feed Motor
Carrier Transport
Motor
Operator Panel
Paper Feed Motor
Carrier Transport
Motor
Operator Panel
Unplug the printer. Disconnect the printhead cable
and plug in the printer. Look for a symptom
change. Check the failing part for shorts and
replace as necessary.
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 operator panel.
motor, paper feed motor, and operator panel.
3
System Board
If the symptom has not changed, replace the
system board. Go to the
system board. Go to the