Xerox 4400DT - Phaser B/W Laser Printer Service Manual page 61

Registration Jam Troubleshooting Procedure (cont'd.)
Step Actions and Questions
5 Is the paper size used within specifications?
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?
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?
8 Repair or replace as necessary:
Registration Rolls (RRP 5.6 on
I
Registration Clutch (RRP 5.5 on
I
Main Drive Gear Assembly (RRP 8.2 on
I
Main Motor Assembly (RRP 8.1 on
I
9 Perform Registration Sensor
Registration Sensor.
Is the Registration Sensor working correctly?
10 Perform Exit Sensor
Sensor.
Is the Exit Sensor working correctly?
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?
12 Is the Detack Saw clean and free of
contamination?
2-24
page 6-62)
page 6-62)
page
on page 3-20 to test the
on page 3-34 to test the Exit
Phaser 4400 Laser Printer Service Manual
Yes
Go to step 6.
Go to step 7.
Go to step 9.
page 6-85)
6-84).
Go to step
10.
Go to step
11.
Go to step
12.
Go to step
13.
No
Replace with
paper meet-
ing size speci-
fications.
Go to
Registration
Clutch on
page 3-27.
Go to step 8.
Repair or
replace the
Registration
Sensor as
necessary
(RRP 5.4 on
page 6-61).
Replace the
Fuser Assem-
bly (RRP 6.2
on
page 6-66).
Clean the
Registration
Rollers.
Clean the
Detack Saw
or Replace
the Transport
Chute
Assembly
(RRP 6.1 on
page 6-65).