Sequence Of Operations - Canon GP405 Service Manual

CHAPTER 6 IMAGE FORMATION SYSTEM
B. Sequence of Operations
Main motor (M1)
Fixing heater (H4)
Scanner motor (M2)
Scanner home position sensor (PS1)
Scanning lamp (FL1)
Vertical path roller paper sensor (PS8)
Registration clutch (CL1)
Primary charging roller bias DC component
Primary charging roller bias AC component
Transfer charging roller
Separation static eliminator
Developing bias DC component
Developing bias AC component
Transfer guide bias
Fixing bias
In direct copying, the scanner home position sensor (PS1) triggers the registration clutch (CL1)
to move copy paper.
In memory copying, the scanner and the image formation system do not operate in conjunction;
as such, the vertical path roller paper sensor (PS8) is used to trigger the registration clutch
(CL1).
6-2
Main power switch ON Copy Start key ON
∇
∇
INTR1 STBY
HP
Figure 6-101
COPYRIGHT © 1999 CANON INC. CANON 405/335 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
INTR2 SCFW SCFW
Control panel power switch OFF
∇
STBY SLEEP
LSTR