Toner End Recovery; Toner End Recovery Flow Chart - Ricoh A230 Service Manual

2.6.8 TONER END RECOVERY

Toner end recovery flow chart

Toner end or
Toner near end
Cover switch off/on?
Toner supply motor turns
on and Vtp detection
Is the toner
concentration low?
Has the
No
toner supply motor been
turned on 20
times?
Vtp' detection
Is the toner
concentration
still low?
No
Is this the 4th
Vtp' detection?
Toner End
A230/A231/A232
No
Yes
No
Toner supply motor turns
Yes
Yes
No
Yes
Clear the toner end/near-
Yes
end condition and reset
the value of "K" to 3.0.
2-45
on for 10 s
Vt detection
No
Vtref - Vt > 0?
Yes
Toner supply motor turns
on for 2 s.
No
Has the
motor turned on 8
times?
DEVELOPMENT
Yes
A231D539.WMF
SM