Ricoh G147 - Electrical Component Description

ELECTRICAL COMPONENT DESCRIPTION
B543 4 SM
1.4 ELECTRICAL COMPONENT DESCRIPTION
Symbol Name Function Index No.
Motors
M1 LCT Drives all rollers. 3
M2 Lift Drives the paper tray up or down. 12
Sensors
S1
Paper End Informs the copier when the paper has run
out.
15
S2
Relay Detects the copy paper coming to the relay
roller and checks for misfeeds.
14
S3
Lift Detects when the paper is at the correct
paper feed height.
16
S4
Lower Limit Detects when the tray is completely lowered,
to stop the LCT motor.
9
S5 Paper Height 1 Detects the paper height. 4
S6 Paper Height 2 Detects the paper height. 5
S7 Paper Height 3 Detects the paper height. 6
S8
LCT Set Detects whether the LCT is correctly set or
not.
10
S9
Side Fence
Position
Detects when the side fence is set at the A4
size position.
8
Switches
SW1
Tray Cover Stops the LCT lift motor when the tray cover
is opened.
11
SW2
Down Lowers the LCT bottom plate if pressed by
the user.
13
Solenoids
SOL1
Pick-up Controls up-down movement of the pick-up
roller.
17
Magnetic Clutches
MC1 Paper Feed Drives the paper feed roller. 2
MC2 Relay Drives the relay roller. 1
PCBs
PCB1
Main Controls the LCT and communicates with the
copier.
7