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ELECTRICAL COMPONENT DESCRIPTION
Symbol
AC Drive Cooling Fan
M22
(60/70 CPM version only)
Optic Cooling Fan-2
M23
(60/70 CPM version only)
Duplex Cooling Fan
M24
Drum Cooling Fan
M25
(70 CPM version only)
4th Lift
M26
(4 Tray version only)
* (A: 60/70 CPM, B: 50/51 CPM)
Magnetic Clutches
Toner Supply
MC1
MC2
Registration
By-pass Feed
MC3
Duplex Transport
MC4
Duplex Feed
MC5
1st Feed
MC6
2nd Feed
MC7
3rd Feed
MC8
4th Feed
MC9
(4 Tray version only)
Switches
By-pass Table
SW1
Front Door Safety
SW2
1st Tray Set
SW3
(Non-Tandem version
only)
2nd Paper Size
SW4
Toner Overflow
SW5
Name
Remove heat from around the AC
drive unit.
Remove heat from the optic unit.
Cools the paper on the duplex tray to
reduce the heat around the drum.
Cools the drum unit to remove the
heat from the duplex tray.
Raises the bottom plate in the 4th
paper tray.
Turns the toner supply roller to supply
toner to the development unit.
Drives the registration rollers.
Starts paper feed from the by-pass
feed table.
Drives the duplex transport rollers to
transport the paper to the vertical
transport rollers.
Starts paper feed from the duplex tray
to the duplex transport rollers.
Starts paper feed from the 1st feed
tray.
Starts paper feed from the 2nd feed
tray.
Starts paper feed from the 3rd feed
tray.
Starts paper feed from the 4th feed
tray.
Detects if the by-pass feed table is
open or closed.
Cuts the ac power line and detects if
the front door is open or not.
Detects if the 1st tray is set or not.
Determines what size paper is in the
2nd (universal) paper tray.
Detects when the toner collection
bottle is full.
Function
1-18
15 July 1996
Index No.
141
142
*143A, B
144
151
57
58
60
64
65
99
101
104
152
25
29
66
67
75
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