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