Operator Panel Service Check; Paper Feed Service Check - Lexmark WinWriter 100 Service Manual

4076-0WJ

Operator Panel Service Check

FRU OR PROCEDURE
1 Power Supply
2 System Board
3 Operator Panel Card
Operator Panel Cable

Paper Feed Service Check

If your machine does not have paper jam problems, go on to the ser-
vice check. If your machine does have a paper jam problem, exam-
ine the machine for the following before you begin the service check.
Check the entire paper path for obstructions.
•
Make sure there is not too much paper in the ASF.
•
Make sure the correct type of paper is in the machine.
•
Check for static in the paper.
•
Make sure the rear of the carrier guide is on top of the paper
guide.
ACTION
Disconnect J11 from the system
board and check the following volt-
ages on the power supply cable:
J11-1 to GND = +5V dc
J11-3 to GND = +24 V dc
If you do not have correct voltage,
replace the power supply. Be sure to
unplug the machine before you recon-
nect the power supply to the system
board.
Turn the printer on Check for +5 V dc
at test point CE/TP near the operator
panel connector on the system board
Check the operator panel cable for
continuity. If the cable is good,
replace the operator panel. If the
symptom remains, replace the sys-
tem board.
Diagnostic Information
10