The Vertical Path Roller Fails To Rotate - Canon iR8500 Servise Manual

CHAPTER 6 TROUBLESHOOTING

4.1.78 The vertical path roller fails to rotate

Belt, Gear, Coupling
1) Is the drive from the pickup motor (M2) transmitted to each verti-
NO:
Vertical path 1 clutch
2) Execute the following in service mode. Is the sound of the clutch
NO:
Vertical path 2 clutch
3) Execute the following in service mode. Is the sound of the clutch
NO:
Vertical path 3 clutch
4) Execute the following in service mode. Is the sound of the clutch
NO:
6-140
cal path roller through the belt, gear, and coupling?
Mount the belt, gear, and coupling correctly.
(CL8) heard?
COPIER>FUNCTION>PART-CHK>CL7
↓ ↓ ↓ ↓ ↓
OK
↓ ↓ ↓ ↓ ↓
COPIER>FUNCTION>PART-CHK>CL-ON
↓ ↓ ↓ ↓ ↓
OK
Check the wiring; if normal, replace the clutch (CL8).
(J511-A3, -A4 on DC controller PCB)
(CL9) herd?
COPIER>FUNCTION>PART-CHK>CL9
↓ ↓ ↓ ↓ ↓
OK
↓ ↓ ↓ ↓ ↓
COPIER>FUNCTION>PART-CHK>CL-ON
↓ ↓ ↓ ↓ ↓
OK
Check the wiring; if normal, replace the clutch (CL9).
(J514-A6, -A7 on controller PCB)
(SL13) heard?
COPIER>FUNCTION>PART-CHK>CL3
↓ ↓ ↓ ↓ ↓
OK
↓ ↓ ↓ ↓ ↓
COPIER>FUNCTION>PART-CHK>CL-ON
↓ ↓ ↓ ↓ ↓
OK
Check the wiring; if normal, replace the clutch (CL13).
(J515-A3, -A4 on DC controller PCB)
COPYRIGHT© 2001 CANON INC. 2000 2000 2000 2000 CANON iR8500 REV.0 MAR. 2001