Canon 1130 Service Manual page 168

The image stabilization mechanism operates as follows:
Operation
1
Controlling the surface
potential of the drum
2 Determining/controlling
the grid bias and
developing bias
3 Compensating for changes
in environment
4 Executing auto gradation
correction
COPYRIGHT © 2002 CANON INC.
Measures the surface potential of the drum.
Measures the dark area potential attenuation.
Determines the contrast potential using the environment sensor.
Determines and controls the grid bias and developing bias.
Determines the contrast potential using the environment sensor.
Determines and controls the grid bias and developing bias.
Measures the surface potential of the drum for
last rotation/measures the dark area potential attenuation.
(used as control data for the next copying run)
Executes auto gradation correction in user mode
(laser correction/gradation correction)
Sensor used
Potential sensor
Potential sensor
Environment sensor
Table 6-201
CANON CLC1100/1130/1150/1160/1180 REV.2 FEB. 2002 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 6 IMAGE FORMATION SYSTEM
Power On
Standby
Start Key On
Copying
Standby
Primary grid bias, developing bias
Primary grid bias, developing bias
Primary grid bias, developing bias
Laser correction/image processing block
(density processing)
Destination of feedback
6-9