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DocuPrint N4525 Network Laser Printer - Service Guide
RAP 1-22
Error Code E3-1
Paper Jam
Clear Area A
There is a paper jam at the Fuser Exit Sensor.
Logic Control on the Print Engine Controller Board sensed the Fuser Exit Sensor did
not de-actuate within the specified time after actuating.
Table 1-50 Error Code E3-1 Paper Jam Clear Area A
Step
Actions and Questions
Yes
No
1
PAPER TRAVEL INSPECTION
1. Remove the Fuser Cover (RRP 1-1).
2. Observe the position of the sheet of paper.
Did the sheet of paper stop on the Fuser Exit
Switch?
Go to step 2
Go to step 3
2
FUSER EXIT SENSOR TEST
1. Enter Diagnostics Mode.
2. From the Main Menu, select Comp Input Test / IOT
Unit / Fuser Exit Sen.
3. Press [4] to start, [0] to stop.
4. Insert, then remove, a sheet of paper into the Fuser
Exit Sensor.
Does the Control Panel display “with paper”
when you insert the paper into the Fuser Exit
Sensor, and is “without paper” displayed when
you remove the it?
Go to step 3
Replace the
Fuser Exit
Sensor (PL
9.1)
3
PAPER TRAVEL INSPECTION
Observe the position of the sheet of paper.
Is the trail edge of the paper still in the Fuser?
Go to step 4
Go to step 5
4
FUSER INSPECTION
1. Remove the three screws securing the Fuser Left
Cover and remove the Cover so you can observe the
Fuser Rollers.
2. Hand rotate (counter clockwise) the Main Drive Motor.
Does the Pressure Roller rotate smoothly and
are the Fuser Stripper Fingers undamaged?
Go to step 5
Replace the
Fuser
Assembly
5
FACE UP CLUTCH TEST
1. Enter Diagnostics Mode.
2. From the Main Menu, select Comp Output Test /
Duplex Unit / Invert Clut. CCW to check the Invert
Clutch CCW function.
3. Press [4] to start, clutch will actuate for two seconds,
then release.
4. Hand rotate (counter clockwise) the Main Drive Motor.
Do the Offset Rollers rotate?
Go to step 6
Replace the
Offset Unit
Assembly
(RRP 1-54)
6
PRINT ENGINE CONTROLLER BOARD
REPLACEMENT
Replace the Print Engine Controller Board (RRP 1-72)
Does the error code appear?
Go to step 7
Problem
solved