Xerox Phaser 4500, Service Manual

Page: 116 / 537

Error Messages and Codes 3-37
14 Manually rotate each gear and roller of the
Optional 550-Sheet Feeder.
Does each gear and roller of the
Optional 550-Sheet Feeder rotate
smoothly? Go to step 15. Replace the “550-
Sheet Feeder” on
page 8-104.
15
Enter Service Diagnostics, and from the
Clutch Tests menu select the appropriate
Turn Roll clutch test.
Does the Turn Roller Clutch operate
normally?
Go to step 16. Go to “Optional
550-Sheet
Feeder Turn
Roller Clutch” on
page 4-52.
16 Manually rotate the Turn Roller.
Does the Turn Roller rotate smoothly? Replace the
HVPS/Engine
Logic Board
(page 8-89).
Replace the “550-
Sheet Feeder” on
page 8-104.
Troubleshooting Procedure (Continued)
Steps Actions and Questions Yes No