Table of Contents
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15 July 1996
Symbol
PCB6
DC Power Supply Unit
PCB7
Guidance
Operation Panel
PCB8
Lamps
Exposure
L1
L2
Fusing
Quenching
L3
Erase
L4
Pre-transfer
L5
Power Packs
Transfer
PP1
Charge
PP2
Others
Optics Thermoswitch
TS1
Fusing Thermofuse
TF1
Fusing Thermistor
TH1
Optics Thermistor
TH2
Drum Thermistor
TH3
(Located on the ID
Sensor Ass'y)
Transfer
H1
Anti-Condensation
Optics Anti-Condensation Turns on when the main switch is off
H2
RA1
Main Power Relay
Name
Provides DC power.
Controls the guidance display.
Controls the LED matrix, and monitors
the key matrix.
Applies high intensity light to the
original for exposure.
Provides heat to the hot roller.
Neutralizes any charge remaining on
the drum surface after cleaning.
Discharges the drum outside the
image area.
Reduces the charge on the drum
surface before transfer.
Provides high voltage for the transfer
belt and controls the transfer belt
positioning solenoid.
Provides high voltage for the charge
corona wires, and the grid plate.
Controls QL, PTL, and charge wire
cleaner motor functions.
Opens the exposure lamp circuit if the
optics unit overheats.
Opens the fusing lamp circuit if the
fusing unit overheats.
Senses the temperature of the hot
roller.
Monitors the temperature of the optics
cavity.
Monitors the temperature of the OPC
drum.
Turns on when the main switch is off
to prevent moisture from forming on
the transfer belt.
to prevent moisture from forming on
the optics.
Controls main power.
ELECTRICAL COMPONENT DESCRIPTION
Function
1-23
Index No.
113
120
121
18
32
37
38
40
117
119
19
33
24
36
41
31
35
107
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