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
Summary of Contents for Di251
Page 1: ...Di251 Di351 SERVICE MANUAL GENERAL 4011 7990 11 ...
Page 2: ...INDEX GENERAL GENERAL MECHANICAL ELECTRICAL ...
Page 3: ...GENERAL ...
Page 18: ...MECHANICAL ELECTRICAL ...
Page 24: ...M 4 3 DRIVE SYSTEM 1 Scanner Motor M10 2 Main Motor M2 3 I C Motor M1 1 3 2 4011M002AA ...
Page 71: ...Di251 Di351 SERVICE MANUAL FIELD SERVICE 4011 7991 11 ...
Page 83: ...Di251 Di351 Allgemein Mechanik Elektrik Rev 1 1 0 03 01 I 1 INSTALLATION 3 ...
Page 88: ...Di251 DI351 Rev 1 1 0 03 01 I 6 ...
Page 93: ...I 5 Di251 Di351 Rev 11 0 0 03 01 10 Grounding plate screws 3 1 2 3 4 5 6 7 8 9 10 ...
Page 99: ...I 11 Di251 Di351 Rev 11 0 0 03 01 6 Fit the Exit Tray 7 Close the Finisher Cover ...
Page 178: ...I 90 Di251 Di351 Rev 1 1 0 0 03 01 ...
Page 179: ...DIS REASSEMBLY ADJUSTMENT 10230 ...
Page 241: ...SWITCHES ON PWBs TECH REP SETTINGS 17196 ...
Page 296: ...TROUBLESHOOTING 14413 ...