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ELECTRICAL COMPONENT DESCRIPTION
Symbol
3rd Paper Feed
S40
2nd Paper Feed
S41
Base Plate Down
S42
(Tandem version only)
Side Fence Positioning
S43
(Tandem version only)
Rear Fence Return
S44
(Tandem version only)
Rear Fence HP
S45
(Tandem version only)
Left Tandem Paper End
S46
(Tandem version only)
LCT Near End
S47
(1,500 Tray version only)
Tray Down
S48
(1,500 Tray version only)
Tray Paper Set
S49
(1,500 Tray version only)
Side Fence Close
S50
(Tandem version only)
4th Lift
S51
(4 Tray version only)
4th Paper Near End
S52
(4 Tray version only)
4th Paper End
S53
(4 Tray version only)
4th Paper Feed
S54
(4 Tray version only)
PCBs
AC Drive
PCB1
PCB2
Main
PCB3
Optic Control
Development Bias
PCB4
Control
Paper Feed Control
PCB5
Name
Controls the 3rd paper feed clutch
off/on timing and the 3rd pick-up
solenoid off timing.
Controls the 2nd paper feed clutch
off/on timing and the 2nd pick-up
solenoid off timing.
Detects when the bottom plate is
completely lowered to stop the 1st lift
motor.
Informs the CPU when the tandem
tray side fences are open.
Informs the CPU when the tandem
tray rear fence is in the return position.
Informs the CPU when the tandem
tray rear fence is in the home position.
Informs the CPU when the left tandem
tray runs out of paper.
Detects the paper near end condition.
Detects when the tray is completely
lowered to stop the LCT motor.
Informs the CPU when the paper is
set on the LCT bottom tray.
Detects whether the side fence close
or not.
Detects the correct feed height of the
4th cassette.
Informs the CPU when the 4th
cassette is in near end condition.
Informs the CPU when the 4th
cassette runs out of paper.
Controls the 4th paper feed clutch
off/on timing and the 4th pick-up
solenoid off timing.
Provides AC power to the exposure
lamp and fusing lamp.
Controls all machine functions.
Controls all optics components.
Controls the output of development
bias.
Controls all components in the paper
bank.
Function
1-22
15 July 1996
Index No.
81
82
85
86
87
88
89
123
124
125
150
145
146
147
148
108
109
110
111
112
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