Specifications

- Toner Near End/End Detection -
Copy
V
TREF
determination
V
TE
determination
V
T
– V
TREF
=
∆
VT
Have 30 copies
been made?
V
T
> V
TE
∆
V
T
> 0
Has the
copy job been
finished?
V
T
> V
TE
Toner near end
Have 50 copies
been made?
Toner End
Toner supply motor
on time calculation
V
T
detection
Is this the 15th
time in a row?
V
T
> V
TE
– 0.2
Is this 5 or more
times in a row?
Toner supply motor
on time calculation
V
T
detection
Yes
No
No
Yes
No
Yes
No
Yes
No
No
Yes
No
Yes
No
Yes
No
Yes
Yes
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A193D541.wmf
PCU (PHOTOCONDUCTOR UNIT) 1 August 1996
2-40