Xerox 4400DT - Phaser B/W Laser Printer, Руководство по обслуживанию, Страница: 63 / 503

2-26 Phaser 4400 Laser Printer Service Manual
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?
Replace
Engine Logic
Board (RRP
9.3 on
page 6-89 ).
Go to Exit
Sensor on
page 3-34.
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?
Go to step 7. Clean or
replace the
Face Up
Chute
Assembly as
necessary
(PL 1.2 on
page 7-4 ).
7 1. Scroll to Motors/Fans Tests and press OK .
2. Scroll to Exit Motor Forward and press OK .
Does the Exit Motor rotate?
Go to step 8. Go to Exit
Motor on
page 3-35.
8 Do the Exit Rollers and Pinch Rollers (on the
Rear Cover) rotate smoothly?
Go to step 9. Replace the
Exit Rollers
or Exit Chute
Assembly as
necessary
(PL 7.1 on
page 7-18 ).
9 Check the Fuser Assembly for obstructions or
contamination.
Is the Fuser clean and free of obstructions?
Go to step
10. Clean or
replace the
Fuser
Assembly
(RRP 6.2 on
page 6-66 ),
as
necessary.
10 Check the Transport Chute for contamination or
obstructions.
Is the Transport Chute clean and free of
obstructions?
Replace the
Engine Logic
Board (RRP
9.3 on
page 6-89 ).
Clean or
replace the
Transport
Chute as
necessary
(RRP 6.1 on
page 6-65 ).
Exit Jam Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No