Electrical Component Description - Gestetner B003 Service Manual

ELECTRICAL COMPONENT DESCRIPTION

1.4 ELECTRICAL COMPONENT DESCRIPTION
Symbol Name
Motors
M1 LCT
M2 Lift
Sensors
Paper End
S1
Relay
S2
Lift
S3
Lower Limit
S4
S5 Paper Height 1
S6 Paper Height 2
S7 Paper Height 3
LCT Set
S8
Side Fence
S9
Position
Switches
Tray Cover
SW1
Down
SW2
Solenoids
Pick-up
SOL1
Magnetic Clutches
MC1 Paper Feed
MC2 Relay
PCBs
Main
PCB1
B003/B004/B006/B007
Function
Drives all rollers.
Drives the paper tray up or down.
Informs the copier when the paper has run
out.
Detects the copy paper coming to the relay
roller and checks for misfeeds.
Detects when the paper is at the correct
paper feed height.
Detects when the tray is completely lowered,
to stop the LCT motor.
Detects the paper height.
Detects the paper height.
Detects the paper height.
Detects whether the LCT is correctly set or
not.
Detects when the side fence is set at the A4
size position.
Stops the LCT lift motor when the tray cover
is opened.
Lowers the LCT bottom plate if pressed by
the user.
Controls up-down movement of the pick-up
roller.
Drives the paper feed roller.
Drives the relay roller.
Controls the LCT and communicates with the
copier.
9-4
Index No.
3
12
15
14
16
9
4
5
6
10
8
11
13
17
2
1
7
SM