Canon NP6512 Service Manual page 151

2. Pickup/Feeding Timing Chart
a. Pickup from the Cassette (A4, 2 copies)
Main motor (M1)
Pickup clutch solenoid (SL1)
Cassette pickup solenoid (SL5)
Vertical path roller
paper sensor (PS4)
Pre-registration roller
paper sensor (Q751)
Registration clutch solenoid (SL2)
Delivery sensor (PS3)
Scanner
b. 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



0.1sec (approx.)
II
I
Forward
Figure 5-107
Copy Start key
ON
STBY INTR SCFW
1sec
0.1sec(approx.)
II
I
Forward
Figure 5-108
CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 5 PICK-UP/FEEDING SYSTEM
SCRV SCFW
0.3sec (approx.)
Reverse
SCRV SCFW
0.3sec (approx.)
Reverse
SCRV LSTR STBY
0.7sec (approx.)
SCRV LSTR STBY
0.7sec (approx.)
5-7