Toner Near End/End Detection - Ricoh G035 Service Manual

2.5.7 TONER NEAR END/END DETECTION

Toner Near End/End Detection Flow Chart
Start printing (each page)
Vt(10) detection
Vtref - Vt(10) ≤ –0.45
Toner near-end
Toner supply motor turns
while main motor turns
No
Has Vtref ≤ Vt(10)
been detected 40
check: Vsp ≤ 2.0 V?
Have 90 sheets
No
printed been made since
toner near-end
SM
No
Yes
K = 0.25
times?
Yes
No
ID sensor
Yes
detection?
Yes
Toner end
2-31
Has Vtref ≤ Vt(10)
been detected 40
times?
Yes
Toner supply motor on
time x2
Has
Vtref ≤ Vt(10)
been detected 20
more times?
Yes
Toner near-end
Toner supply motor turns
while main motor turns
Has
Yes Vtref ≤ Vt(10)
been detected 20
more times?
G035D538.WMF
DEVELOPMENT
No
No
No
G035