Timing Chart: Cleaning Mode
Before cleaning starts, the main motor, charge corona, and quenching lamp
turn on.
T1. Cleaning bias is applied to the transfer roller.
T2. A positive constant current of + 4
±
0.2
µ
A is applied to transfer back to
the drum any toner which is positively charged by the transfer roller.
H516D563.wmf
August 2nd,1995
DETAILED SECTION DESCRIPTIONS
PRINTING
2-37