Xerox 5400N - Phaser B/W Laser Printer, Service Quick Reference Manual

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96 Phaser 5400 Laser Printer Service Guide
RAP 30 Error Code U1: Motor Failure
Power Off / On
There is a problem with the Main Motor.
Table 51 Error Code U1: Motor Failure Troubleshooting Procedure
Step Actions and Questions Yes No
1 MOTOR ROTATION CHECK
1. Open the Rear Cover.
2. If installed, remove the Duplex Assembly.
3. Rotate the rotor of the Main Motor counterclockwise
(as viewed from the right side of the printer) manually.
Does the rotor of the Main Motor rotate
smoothly?
Go to
Step 4. Go to
Step 2.
2 PRINT CARTRIDGE ISOLATION
1. Open the Top Cover and remove the Print Cartridge.
2. Manually rotate the rotor of the Main Motor clockwise.
Does the rotor of the Main Motor rotate
smoothly?
Replace the
Print
Cartridge
[PL 8.1,
page 402 ].
Go to
Step 3.
3 FUSER ISOLATION
1. Remove the Fuser Assembly [RRP 5.1, page 288 ].
2. Manually rotate the Fuser Assembly Drive Gear.
Does the Fuser rotate smoothly?
Go to
Step 4. Replace the
Fuser.
4 REGISTRATION ROLLERS ROTATION CHECK
1. Open the Top Cover.
2. Remove the Print Cartridge.
3. Manually rotate the Metal Registration Roller and the
Rubber Registration Roller.
Do the Metal Registration Roller and the Rubber
Registration Roller rotate smoothly?
Go to
Step 5. Replace the
Paper
Transport
Assembly
[RRP 4.1,
page 283 ].
5 EXIT ASSEMBLY ROTATION CHECK
1. Open the Rear Cover.
2. Manually rotate the Exit Assembly that is attached to
the Rear Cover.
Does the Exit Assembly rotate smoothly?
Go to
Step 6. Replace
components
or the Exit
Assembly as
necessary
[PL 6.1,
page 398 ].
6 DRIVE GEARS ROTATION CHECK
1. Close the Rear Cover.
2. With the Top Cover still open, cheat the Top Cover
Interlock.
3. Enter Diagnostics mode.
4. From the Main Menu, select Component Test / Main
Motor / press [4] to start, allow to continue running
through Step 8 below.
Do the Main Motor and drive gears run smoothly
and all drive gears are in good condition?
Go to
Step 7. Go to
RAP 47,
page 128 .