Toner Density Control - Ricoh A193 Service Manual

PCU (PHOTOCONDUCTOR UNIT)

4.5.5 Toner Density Control

- Toner Density Control Flow Chart -
1
2
3
N o
5
Each step is explained in more detail on the following pages.
(A193)
Copy
V detection
T
V
TREF
determination
V determination
TE
= ∆V
V – V
T TREF T
Yes
V > V
T TE
N o
4
∆V
> 0
T
Yes
Yes
Have 30 copies
been made?
N o
Toner supply motor
on time calculation
Has the
copy job been
finished?
N o
See the Toner End
Detection Flow Chart
2-34
Yes
A193D545.mwf
SM