2-36 Service Manual
4025-XXX
Attendance Message 202
There is a paper jam between the Fuser Exit Switch and the Face Up
Exit Sensor.
Logic Control on the MCU PWB sensed the Face Up Exit Sensor was not actuated within
the specified time since the Fuser Exit Switch was actuated.
Step Actions and Questions Yes No
1 OFFSET UNIT INSPECTION
Remove the Fuser Full Cover.
Check the Offset Unit for lodged paper scraps or damage.
Is the Offset Unit clean and undamaged?
Go to step 2 Clean or
replace the
“Offset/Exit
Assembly”
on page 4-69
2 FACE UP EXIT SENSOR TEST
Enter Diagnostic Mode and select Face Up Exit Sensor.
Insert and then remove, a sheet of paper into the Sensor.
Does the Operator Panel LCD change between OP and CL
as you insert then remove the paper?
Go to step 3 Replace the
“Face Up
Exit Sensor”
on page 4-77
3 PAPER FEED TEST
Enter Diagnostic Mode and select Duplex Quick Test.
The Face Up Clutch and the Exit Gate Solenoid should
operate during the paper feed exercise.
Do the Offset Rollers rotate? Does the Exit Gate Solenoid
actuate during the Quick Test?
Go to step 4 Replace the
“Offset/Exit
Assembly”
on page 4-69
4 MCU PWB REPLACEMENT
Replace the “Engine Board (MCU PWB)” on page 4-92
Does the error code appear?
Go to step 5 Problem
solved
5 The following printer FRUs and areas are associated with this
specific problem. One or more of these FRUs or areas may
have failed partially or completely. If you cannot isolate this
problem using the steps in this Service Check, replace each
FRU or troubleshoot each area listed below, one at a time, until
you isolate and solve the problem.
• Wiring and connectors linking the FRUs
• I/O PWB - Go to “I/O PWB” on page 4-89.
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