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ELECTRICAL COMPONENT DESCRIPTIONS
Name
Switch Back
Gate
Original Stopper Moves the original stopper down to prevent an
Switches
Main
Upper Safety
Lower Safety
Rear Safety
Toner Cover
Sheet Feeder
Set
Rear Feeder
Sensors
Image Density
Toner Density
Toner Overflow
Pulse Generator Supplies timing pulses to the main board
Original Set
1st Original
Transport
2nd Original
Transport
Original Regis-
tration
Light
Original En-
trance
Lifts the switch back gate to the up position.
original from being inserted.
Supplies power to the copier.
Cuts ac 100 volt power when the upper unit is
opened.
Cuts ac 100 volt power when the middle unit
is opened.
Cuts ac 100 volt power when the paper exit
unit is opened.
Cuts power to the toner supply solenoid when
the toner cartridge cover is opened.
Prevents main motor operation when the
sheet feeder is not set.
Detects when the rear feeder table is opened.
Detects the image density of the test pattern
on the drum.
Detects the density of toner in the developer.
Detects when the used toner tank is full.
(photointerruptor).
Detects when an original is inserted.
Monitors movement of the original.
Monitors movement of the original.
Detects when the original lead edge passes
the original registration rollers.
Detects the intensity of the exposure lamp
output.
Detects when an original is inserted from the
rear feeder.
Function
1-10
31 December 1992
Index. No.
9
43
65
27
67
22
45
64
21
33
36
28
23
41
11
14
12
4
13
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