Canon PC920 Service Manual page 135

c. Pickup from the Multifeeder (A4, 2 copies)
Main motor (M1)
Multifeeder pickup solenoid (SL4)
Pickup clutch solenoid (SL1)
Pre-registration roller
paper sensor (Q751)
Registration clutch solenoid (SL2)
Delivery sensor (PS3)
Scanner
I : Varied by value under '30' of service mode (registration adjustment).
II : Used for measuring the length of copy paper.
length of copy paper (mm) = 96 (mm/s) II (s) + 11 (mm) -10 (mm)
96 (mm/s) : speed at which copy paper is moved.
11 (mm) : distance between pre-registration roller paper sensor and registration roller.
10 (mm) : length of actuator of the pre-registration roller paper sensor.
COPYRIGHT © 1999 CANON INC.
Copy Start key
ON
STBY INTR SCFW
   
1sec
0.1sec(approx.)
II
I
Forward
Figure 5-112
CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 PICK-UP/FEEDING SYSTEM
SCRV SCFW
0.3sec (approx.)
Reverse
SCRV LSTR STBY
0.7sec (approx.)
5-11