Lexmark Optra M410, Service Manual

Page: 56 / 195

2-30
Service Manual
4045-XXX
Operator Panel Service Check
Operator Panel Buttons Service Check
Note: Before continuing with this service check do the “Button Test”
on page 3-9 and “Operator Panel Test” on page 3-21 .
3 Motor does not turn, no
gear error code 936 or User
message 201 Paper Jam
displays. Check the voltages at J3 on the
engine board with the main motor
cable connected.
J3-1 - +24 V dc
J3-2 - +24 V dc
J3-3 - Ground
J3-4 - Ground
J3-5 - +2.5 V dc
J3-7 - +5 V dc
J3-9 - +5 V dc
If any voltage is incorrect, replace
the FRUs in the following order:
main drive motor assembly
engine board
FRU Action
1 Operator Panel Assembly If any button fails the Button Test,
replace the operator panel assembly.
2 Engine Board
(No buttons work) Check the voltage at J1-2. The
voltage measures approximately
+5 V dc with the controller board
removed. If incorrect, replace the
engine board. If correct, check the
continuity of the operator panel
cable. If incorrect, replace the cable.
If correct, replace the operator panel
assembly.
FRU Action