Ricoh infotec 3671F Service Manual page 29

July 30th, 1996
2. Development Bias
[D]
[A]
The high voltage power supply [A] applies different voltages to the
components of the DTM. The applied voltages are:
•
Development roller: -280 V [B] (depending on the user's print density
selection)
•
Doctor blade: -550 V [C]
•
Lower casing: -287 V [D]
The toner is negatively charged by the friction generated by the toner agitator.
DETAILED SECTION DESCRIPTIONS
[B]
2-12
PRINTING
[C]
H528D516.wmf