Canon PC920 Service Manual page 140

CHAPTER 5 PICK-UP/FEEDING SYSTEM
5. Registration Paper Delay Jam
After reaching the vertical path roller paper sensor, if copy paper fails to reach the pre-registra-
tion roller paper sensor within a specific period of time, the machine will identify the condition as
a registration paper delay jam, stop the operation immediately, and flash the Jam indicator.
Vertical path roller
paper sensor (PS4)
Jam check
Pre-registration roller
paper sensor (Q751)
Main motor (M1)
6. Registration Paper Stationary Jam
If copy paper does not move past the pre-registration roller paper sensor within a specific
period of time because of feeding faults, the machine will identify the condition as a registration
paper stationary jam, stop the operation immediately, and flash the Jam indicator.
Registration clutch solenoid (SL2)
Jam check
Pre-registration roller
paper sensor (Q751)
Main motor (M1)
5-16
SCRV
2.6sec
Figure 5-121
Copy Start key
ON
STBY INTR
Figure 5-122
COPYRIGHT © 1999 CANON INC.
SCFW SCRV
2.6sec
Normal
SCFW SCRV
4.6sec
Normal
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
indication
Jam
1.5sec
indication
SCFW
4.6sec
Jam
1.5sec