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COPYRIGHT
©
1999 CANON INC. CANON imageRUNNER 600 REV.1 JAN. 2000 PRINTED IN U.S.A.
6-1
CHAPTER 6 IMAGE FORMATION SYSTEM
I . PROCESSES
A. Outline
Table 6-101 shows the major functions of the image formation system.
Table 6-101 Major Functions
Item Pre-exposure
Pre-exposure
Primary charging
Grid bias
Developing bias
Dust-collecting roller
bias
Pre-transfer charging
Transfer guide bias
control
Transfer charging
Separation charging
Potential
Wire auto cleaning
LED array (64 LEDs)
ON/OFF control
DC constant current control (switched among 3 settings in service
mode)
DC constant voltage control (determined by potential control)
AC constant voltage control (ON/OFF control only)
DC constant voltage control (determined by potential control)
DC constant voltage control (ON/OFF control only; +1000 V)
AC constant current control (fuzzy control by an environment
sensor)
DC constant voltage control
DC constant voltage control (switched according to
temperature/humidity)
DC constant current control (fuzzy control by an environment
sensor)
DC constant current control (fuzzy control by an environment
sensor and toner deposit)
AC constant voltage control
[1] Primary charging wire
[2] Pre-transfer charging wire
[1] Setting the optimum grid bias.
[2] Setting the optimum laser output.
[3] Setting the optimum developing bias (DC).