FrameMaker Ver5.5E(PC) Di251/Di351 MECHANICAL/ELECTRICAL
.05.03.01
M-7
6. IMAGE STABILIZATION SYSTEM
• The following image stabilization controls are provided to ensure stabilized copy image.
Item Purpose Control
PC Drum temperature
correction
To compensate for any change
in ID due to changing PC Drum
temperatures.
I/C Thermistor is used to detect
temperature and, according to
the detected temperature, Vg/
Vb is corrected.
PC Drum deterioration
correction
To compensate for degraded
sensitivity caused by a deterio-
rating PC Drum.
Vg is corrected according to the
period of time during which the
PC Drum has turned.
1171M028AA
PC Drum Charge Corona
PC Drum Revolution
Counter
I/C Thermistor TH2
Grid Voltage: Vg
Developing Bias: Vb
Sleeve/
Magnet Roller
CPU
PC Drum
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