Name
Function
Index. No.
Anticondensation
Turns on the tray heaters.
23
Error Reset
Resets error condition.
11
LCT Cover
Turns off components when the LCT top cover is
open.
152
Left Door 1
Turns off the main motor when the left door is open.
25
Left Door 2
Turns off dc 24 volts lines when the left door is open.
24
Main
Supplies power to the copier.
26
Right Door 1
Turns off dc 24 volts lines when the right door is open.
21
Right Door 2
Turns off the main motor when the right door is open.
17
Heaters
1st Tray
Removes humidity from the paper in the 1st tray.
91
2nd Tray
Removes humidity from the paper in the 2nd tray.
92
3rd Tray
Removes humidity from the paper in the 3rd tray.
94
Anticondensation
Prevents moisture from forming on the lens and
mirrors.
101
Drum
Warms the drum when it gets too cool.
95
Exposure Lamp
Warms the exposure lamp when it gets too cool.
86
LCT
Removes humidity from the paper in the LCT.
145
Lamps
Exposure
Exposes the original with high intensity light.
85
Fusing
Provides heat to the hot roller and keeps the roller at
the operating temperature.
89
Pre-Transfer
Removes excessive positive charge from the drum
surface to the transfer and separation process.
98
Quenching
Electrically neutralizes the drum surface prior to
charging.
97
Eraser
Discharges the drum outside the image area.
Provides lead/trail edge erase.
96
Thermistors
Drum
Monitors the drum temperature.
99
Fusing
Monitors the hot roller temperature.
88
Other Components
Total Counter
Keeps a count of the number of copies made.
116
FL Stabilizer
Stabilizes power to the exposure lamp.
109
Thermofuse
Provides back-up overheat protection in the fusing
unit.
90
Anticondensation
Thermoswitch
Turns off the anticondensation and drum heaters.
102
ELECTRICAL COMPONENT DESCRIPTIONS
31 July 1995
1-14
Summary of Contents for FT8680
Page 3: ...SECTION 1 OVERALL MACHINE INFORMATION ...
Page 8: ...MEMO 31 July 1995 SPECIFICATIONS 1 5 ...
Page 23: ...6 5 IMAGE OVERLAY MODE 2ND SIDE A171V505 wmf PAPER PATH 31 July 1995 1 20 ...
Page 24: ...SECTION 2 DETAILED SECTION DESCRIPTIONS ...
Page 133: ...Timing Chart 1 Stack 2 Paper Feed A171D551 wmf A171D552 wmf 31 July 1995 DUPLEX 2 109 ...
Page 159: ...SECTION 3 INSTALLATION ...
Page 177: ...SECTION 4 SERVICE TABLES ...
Page 229: ...SECTION 5 REPLACEMENT AND ADJUSTMENT ...
Page 362: ...SECTION 6 TROUBLESHOOTING ...