Table 3-4 Error Code E4-2 Paper Jam Clear Duplex Unit - Xerox DOCUPRINT N4525 Service Quick Reference Manual

RAP 3-1
Error Code E4-2
There is a paper jam at the Duplex Exit Sensor.
Logic Control on the Print Engine Controller Board sensed that the Duplex Exit Sensor
did not actuate within the specified time after the Face Up Exit Sensor was actuated.
Table 3-4 Error Code E4-2 Paper Jam Clear Duplex Unit
Step Actions and Questions
1 PAPER INSPECTION
Inspect the paper that is loaded in the paper tray.
Is the paper that is loaded in the cassette
wrinkled or damaged?
2 PAPER PATH INSPECTION
Open the Duplex Unit and inspect the paper path
between the Fuser and the Duplex Unit for paper
scraps or foreign objects that could cause a paper jam.
Is the paper path clear?
3 FACE UP EXIT SENSOR TEST
1. Enter Diagnostic Mode.
2. From the Main Menu, select Comp Input Test / IOT
/ Face Up Exit Sen.
3. Press [4] to start test, [0] to stop.
4. Insert, then remove, a sheet of paper into the Face
Up Exit Sensor.
Does the Control Panel Display show "With
Paper" when you insert the paper into the
Face Up Exit Sensor, and does the Display
show "Without Paper" when you remove the
paper?
4 DUPLEX UNIT EXIT SENSOR TEST
1. Enter Diagnostic Mode.
2. From the Main Menu, select Comp Input Test /
Duplex Unit / Exit Sensor.
3. Press [4] to start test, [0] to stop.
4. Insert, then remove, a sheet of paper from the
Duplex Exit Sensor.
Does the Control Panel Display show " With
Paper" when you insert the paper into the
Exit Sensor, and does the Display show
"Without Paper " when you remove the
paper?
5 INVERTER CLUTCH TEST
1. Enter Diagnostic Mode.
2. From the Main Menu, select Comp Output Test /
Duplex Unit / Invert Clut. CCW.
3. Press [4] to start test, [0] to stop.
4. With test on, hand rotate (counter clockwise) the
Main Motor.
Do the Exit Rollers rotate?
Volume 3 / Duplex Unit - Error Codes
Paper Jam
Clear Duplx Unit
Yes
Replace the
paper with
new paper
Go to step
Go to step 4
Go to step 5
Go to step 6
No
Go to step 2
Clear the
paper path
Replace the
Face Up Exit
Sensor RRP
1-63
Replace the
Duplex Exit
Sensor RRP
3-8
Replace the
Exit Drive
Assembly
RRP 1-55
3-509