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ELECTRICAL COMPONENT DESCRIPTIONS
Symbol
Name
L4
Erase Lamp
L5
Pre-transfer Lamp
Power Packs
P1
CC/Grid/Bias
Power Pack
P2
TC/SC Power Pack
Heaters
H1
Drum
Anti-condensation
Heater
H2
Optics
Anti-condensation
Heater (Option)
Counters
CO1
Total Counter
CO2
Key Counter
(Option)
Transformer
TR1
Main Transformer
TR2
Option Transformer
Others
TH
Fusing Thermistor
TF
Fusing Thermofuse
TS
Optics
Thermoswitch
C
Main Motor
Capacitor
Function
Discharge the drum outside of the image
area. Provides leading/trailing edge, side
and editing erases.
Reduces charge on the drum surface before
transfer.
Provides high voltage for the charge corona,
grid, and the development roller bias.
Provides high voltage for the transfer and
separation coronas.
Prevents moisture around the drum.
Prevents moisture from forming on the
optics.
Keeps track of the total number of copies
made.
Used for control of authorized use. Copier
will not operate until installed.
Steps down the wall voltage to 28 Vac.
Steps down the wall voltage to 26 Vac and
10 Vac. This transformer is required when
the document feeder is installed.
Monitors the fusing temperature.
Provides back-up overheat protection in the
fusing unit.
Provides back-up overheat protection
around the exposure lamp.
Start capacitor
12
31 March 1994
Index No.
23
21
47
46
38
N/A
20
N/A
42
41
27
29
33
44
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