Lexmark 2380-001, Service Manual

Page: 57 / 204

Diagnostic Information 2-33
3 Op-Panel
Op-Panel Cable If there is still a power LED problem, check the
operator panel cable continuity and replace the
cable or the operator panel.
4 Carrier Motor Disconnect the carrier motor from main logic
board CN9 and turn the printer off and then on.
If the power LED lights correctly only with the
carrier motor disconnected, replace the carrier
motor.
5 Paper Feed Motor Disconnect the paper feed motor from main
logic board CN10 and turn the printer off and
then on. If the power LED lights correctly only
with the paper feed motor disconnected,
replace the paper feed motor.
6 Printhead
Printhead Cables Disconnect the printhead cable from the sub
logic board and turn the printer on. If the power
LED lights correctly only with the printhead
cables disconnected from the sub logic board,
there is a short in the printhead or printhead
cables.
Disconnect the printhead cable from the sub
logic board and make sure none of the leads
on the cable are shorted to ground.
7 Main Logic Board If no problem is found with other components
but the printer still has a power problem,
replace the main logic board.
Reset the bidirectional print adjustment; refer
to “Bidirectional Print Adjustment” on page 4-5.
FRU Action