Canon PC300 Service Manual page 43

#889 OPERATIONS AND TIMING SS SSS
6. Sequence of Image Formation Operations (A4, 2 copies)
sb {Copy paper inserted (PC300/FC210)
Copy Start key ON Copy paper inserted (PC300/FC210)
Power switch 2s | CBRV
| Sequence STBY COPY
Copyboard
{ Main motor
(M1)
Scanning lamp
(LA1-LA8)
Primary AC bias
fo
Transfer charging
Developing
AC bias
Developing
DC bias
[o)
ma
TER BRERARH neaeati tasters
' RE
Scanning lamp Ml: ON
Transfer | --====4 : Measurement mode
Primary DC bias jee : charging mamas ; Transfer
ESS : -400V
Developing DC bias Mm: -120V to -560V
(variable according to
density control dial/
lever, AE)
Figure 3-15