Image Stabilization System Control - Minolta CF910 Service Manual

1154SBM0602A
6-2.

Image Stabilization System Control

Summary
• The copier uses the data obtained through AIDC detection and PC Drum surface poten-
tial detection to perform various operations, thereby finding the optimum γ correction
exposure curve for image stabilization control.
Sensitometry
Operation Flow
Start Key ON
Copy cycle executed
Is the copy cycle completed?
(2), (3)
• AIDC detection
• PC Drum surface potential detection
(Vi detection)
(5)
Operations
• Drum charging/image transfer characteristics
• Developing characteristics
• Grid voltage (VG)
• Developing bias
• Exposure curve
• Maximum intensity of LD1 light
End
ID (Image Density)
Reversal
Developing
Characteristics
VB
PC Drum
Surface
Potential
PC Drum Light
Decay Curve
Laser Light Intensity
M-13
Image Density
Characteristics
=1
curve
Laser Radiation
Characteristics
Power Switch S1 ON
(1)
AIDC Sensor UN20
fine adjustment
"Image Adjust" of
Service Mode
PRT Max Density
PRT Hilight
Background Voltage
Image
Input
Data
1144M161CA
Misfeed or malfunction reset