Canon PC920 - General Timing Chart

A-1 COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Power switch
ON
Copy Start key
ON
Sequence STBY INTR AER SCFW SCRV LSTR STBY
1
2
3
4
5
6
7
8
9
10
11
12
13
14
18
19
20
15
16
17
Main motor (M1)
Lens solenoid (SL3)
Scanner / lens drive
motor (M2)
Scanner home position
sensor (PS1)
Lens home position
sensor (PS2)
Pickup clutch solenoid
(SL1)
Cassette pickup
solenoid (SL5)
Vertical path roller
paper sensor (PS4)
Registration clutch
solenoid (SL2)
Pre-registration roller
paper sensor (Q751)
Scanning lamp (LA1)
Primary AC bias
Primary DC bias
Developing AC bias
Fixing heater (H1)
Scanner cooling fan
(FM1)
Delivery sensor (PS3)
Developing DC bias
Transfer bias
Static eliminator bias
SCFW SCRV
: Scanner / lens drive motor (reverse)
A. GENERAL TIMING CHART
1. COPYBOARD TYPE
(A4, 2 copies, DIRECT, from cassette)