AM-900U
3 – 16
8.7. OPC drum surface potential
8.7.1 Transition of OPC drum surface potential by print
operation
8.7.2 OPC drum surface potential and developing bias
voltage in development
Fig. 18
-950V
-250V
OPC
surface
potential
(-V)
Laser
beam
Dark
area
potential
Developing
bias
Charging/
cleaning
Exposure Residual
toner collection
/Developing
Transfer
Charging
Timer(OPC drum rotating angle)
Light area
potential
Toner
attachment
potential
Fig. 19
-180V
OPC
drum
surface
potential
(-V)
Light area potential
Time (OPC drum rotation angle)
Start
During
developing
Stop
Dark area
potential
Developing
bias
Содержание AM 900 - Digital Office Laser Copier
Страница 120: ...AM 900U 6 13 13 Control PWB parts layout Bottom side The CONTROL PWB of the model employs lead free solder F3 F5 F7 F4 ...
Страница 122: ...AM 900U 6 15 2 LIU PWB parts layout Top side The LIU PWB of the model employs lead free solder ...
Страница 123: ...AM 900U 6 16 3 LIU PWB parts layout Bottom side The LIU PWB of the model employs lead free solder ...