Xerox 4400DT - Phaser B/W Laser Printer, Руководство по обслуживанию, Страница: 61 / 503

2-24 Phaser 4400 Laser Printer Service Manual
5 Is the paper size used within specifications? Go to step 6. Replace with
paper meet-
ing size speci-
fications.
6 1. Reinstall the Fuser.
2. Close the Rear Cover.
3. Cheat the Front Cover Interlock.
4. Enter Service Diagnostics, select Clutch Tests, and
press OK .
5. Select Registration and press OK .
Can you hear the Registration Clutch energize?
Go to step 7. Go to
Registration
Clutch
on
page 3-27.
7 1. Press Back to return to the top Diagnostics menu,
then select Main Motor+Clutch/Sol tests and press
OK .
2. Select Motor+Registration and press OK .
Do the Registration Rolls rotate smoothly?
Go to step 9. Go to step 8.
8 Repair or replace as necessary:
■
Registration Rolls (RRP 5.6 on page 6-62 )
■
Registration Clutch (RRP 5.5 on page 6-62 )
■
Main Drive Gear Assembly (RRP 8.2 on page 6-85 )
■
Main Motor Assembly (RRP 8.1 on page 6-84 ).
9 Perform Registration Sensor on page 3-20 to test the
Registration Sensor.
Is the Registration Sensor working correctly?
Go to step
10. Repair or
replace the
Registration
Sensor as
necessary
(RRP 5.4 on
page 6-61 ).
10 Perform Exit Sensor on page 3-34 to test the Exit
Sensor.
Is the Exit Sensor working correctly?
Go to step
11. Replace the
Fuser Assem-
bly (RRP 6.2
on
page 6-66 ).
11 1. Enter Service Diagnostics (if necessary).
2. Select Engine Test Print and press OK .
3. Run test prints.
4. When the error code appears, inspect the position of
lead edge of the paper.
Does the lead edge of the paper pass between
the Transfer Roller and the Print Cartridge
Drum?
Go to step
12. Clean the
Registration
Rollers.
12 Is the Detack Saw clean and free of
contamination?
Go to step
13. Clean the
Detack Saw
or Replace
the Transport
Chute
Assembly
(RRP 6.1 on
page 6-65 ).
Registration Jam Troubleshooting Procedure (cont'd.)
Step Actions and Questions Yes No