Canon PC400 Service Handbook page 52

PC420/430/FC220 General Timing Chart
(A4, 2 copies)
Sequence
Copyboard
1 Main motor (M1)
Document position sensor
2
(Q902)
Copyboard drive solenoid
3
(SL2)
4 Scanning lamp (LA1-LA8)
5 Fixing heater (H1)
6 Primary AC bias
7 Primary DC bias
8 Developing AC bias
9
Developing DC bias
10 Transfer
11
Pick-up sensor (Q131)
12 Pick-up solenoid (SL1)
13 Delivery sensor (Q801)
A-2
Power switch
Copy paper inserted
ON
STBY INTR
CBRV STOP
-240V
-400V
* **
* Cleaning mode.
** Measurement mode.
COPY
CBFW CBRV
-625V
-120 to -560V
*
LSTR
CBFW CBRV
STOP
*
1 sec
STBY