Xerox 4400DT - Phaser B/W Laser Printer Service Manual page 63

Exit Jam Troubleshooting Procedure (cont'd.)
Step Actions and Questions
5 1. Enter Service Diagnostics and select Sensor Tests.
2. Scroll to Exit Sensor (Fuser) and press OK.
3. Open the Fuser Access Cover and use a piece of
paper to block and unblock the Exit Sensor.
Does the message on the display alternate
between "With Paper" and "Without Paper" as
you block and unblock the sensor?
6 Open the Rear Cover and check the Face Up Chute
Assembly for contamination or obstructions.
Is the chute assembly clean and free of
obstructions?
7 1. Scroll to Motors/Fans Tests and press OK.
2. Scroll to Exit Motor Forward and press OK.
Does the Exit Motor rotate?
8 Do the Exit Rollers and Pinch Rollers (on the
Rear Cover) rotate smoothly?
9 Check the Fuser Assembly for obstructions or
contamination.
Is the Fuser clean and free of obstructions?
10 Check the Transport Chute for contamination or
obstructions.
Is the Transport Chute clean and free of
obstructions?
2-26
Yes
Replace
Engine Logic
Board (RRP
9.3 on
page
Go to step 7.
Go to step 8.
Go to step 9.
Go to step
10.
Replace the
Engine Logic
Board (RRP
9.3 on
page
Phaser 4400 Laser Printer Service Manual
No
Go to Exit
Sensor on
page 3-34.
6-89).
Clean or
replace the
Face Up
Chute
Assembly as
necessary
(PL 1.2 on
page 7-4).
Go to Exit
Motor on
page 3-35.
Replace the
Exit Rollers
or Exit Chute
Assembly as
necessary
(PL 7.1 on
page 7-18).
Clean or
replace the
Fuser
Assembly
(RRP 6.2 on
page 6-66),
as
necessary.
Clean or
replace the
Transport
Chute as
6-89). necessary
(RRP 6.1 on
page 6-65).