Canon PC921 用户手册
CHAPTER 4 IMAGE FORMATION SYSTEM
COPYRIGHT © 1999 CANON INC. CANON PC800s/900s REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
4-1
Item
Controlling the primary charging
roller bias
roller bias
Transfer roller bias control
Developing/separation static
eliminator bias control
eliminator bias control
Density control
Blanking control
Description
AC constant current control, on/off control
DC constant voltage control, on/off control
DC voltage level control
DC constant voltage control, on/off control
DC voltage level control
DC constant voltage control, on/off control
DC constant current control (ATVC, cleaning bias)
Voltage level control
Polarity switching
DC constant current control (ATVC, cleaning bias)
Voltage level control
Polarity switching
DC constant voltage control, on/off control
AC constant voltage control, on/off control
DC voltage level control
AC constant voltage control, on/off control
DC voltage level control
Developing DC bias control
Side blanking lamp
Table 4-101
I.
IMAGE FORMATION SYSTEM
A.
Outline
The major functions of the image formation system are as follows: