Toner supply operation flow
RET: return to start
Toner near-end indication
Toner supply control
Yes
No
Yes
No
No
No
Yes
Yes
No
No
B
Toner supply mode stopped.
Starts copying automatically.
No
No
Yes
Stop copying
Continuously
supplied for
25 copies?
Continuously
supplied for more
25 copies?
Yes
RET
Continued for
10 copies?
No
B
Near-end sensor
Toner end display.
Copying stops.
Stops copying and enters
toner quick supply mode.
Sensor output
2 min. lapse?
Sensor output
has risen 0.12V
or more?
Increase toner supply
rate by 1 step.
Increase toner supply
rate by 1 step.
Copying end?
Toner supply motor OFF
Yes
Yes
A
ON?
TONER END
> TH1?
SC22
Toner density
sensor error
RET
Yes
Sensor
output < Toner
supply limit?
No
Yes
No
Yes
Yes
Toner supply motor OFF
No
Toner supply
Sensor output
RET
Toner supply motor ON
RET
mode?
Start
Sensor output
< TH2?
> TH1?
A
No
TONER NEAR-END
Near-end is
displayed.
Remaining toner permits
about 2,000 additional
A4 copies.
Yes
RET
Start
Toner
near-end sensor
detects a low
toner?
Toner Density Control
1 July 1994
2-78
Содержание PCU10
Страница 3: ...SECTION 1 OVERALL MACHINE INFORMATION...
Страница 36: ...SECTION 2 SECTIONAL DESCRIPTIONS...
Страница 46: ...2 1 11 Paper feed operation Circuit diagram Paper Feed 1 July 1994 2 10...
Страница 59: ...2 2 7 Optics operation Circuit diagram 1 July 1994 Optics 2 23...
Страница 69: ...2 3 9 OPC unit operation Circuit diagram 1 July 1994 OPC Unit 2 33...
Страница 76: ...2 4 5 Charging operation Circuit diagram OPC Charge 1 July 1994 2 40...
Страница 82: ...2 5 4 Eraser operation Circuit diagram Erase 1 July 1994 2 46...
Страница 86: ...2 6 7 Transfer separation operation Circuit diagram Image Transfer and Paper Separation 1 July 1994 2 50...
Страница 94: ...2 7 7 Cleaning unit operation Circuit diagram Cleaning 1 July 1994 2 58...
Страница 100: ...2 8 7 Timing chart OPC Filming Removal 1 July 1994 2 64...
Страница 106: ...2 9 11 Development operation Circuit diagram Development 1 July 1994 2 70...
Страница 121: ...2 11 3 Process control flow 1 July 1994 Process Control 2 85...
Страница 138: ...2 13 9 Duplex exit operation Circuit diagram Duplex and Paper Exit 1 July 1994 2 102...
Страница 152: ...2 14 8 Timing chart SADF mode Condition Two A4 copies from an A4 original ADF 1 July 1994 2 116...
Страница 153: ...Single side original mode with sort stack mode Condition One A4 copy each from three originals 1 July 1994 ADF 2 117...
Страница 154: ...Duplex original mode with stack mode Condition One A4 copy from one original ADF 1 July 1994 2 118...
Страница 156: ...ADF 1 July 1994 2 120...
Страница 161: ...Exit sensor 1 July 1994 ADF 2 125...
Страница 162: ...2 14 10 ADF operation Circuit diagram ADF 1 July 1994 2 126...
Страница 178: ...2 16 9 LCT operation Circuit diagram Large Capacity Tray 1 July 1994 2 142...
Страница 179: ...DC drive board paper feed motor DC drive board DC motor AC 230V 1 July 1994 Large Capacity Tray 2 143...