Electrical Component Description - Ricoh G035 Service Manual

ELECTRICAL COMPONENT DESCRIPTION

1.4 ELECTRICAL COMPONENT DESCRIPTION
Symbol Name
Motors
M1 Tray
Tray Lift
M2
Sensors
Upper Paper Lift
S1
Lower Paper Lift
S2
Upper Paper End
S3
Lower Paper End
S4
S5 Upper Relay
S6 Lower Relay
Upper Paper Height 1 Detects the amount of paper in the upper
S7
Upper Paper Height 2 Detects the amount of paper in the upper
S8
Lower Paper Height 1 Detects the amount of paper in the lower
S9
Lower Paper Height 2 Detects the amount of paper in the lower
S10
Switches
SW1 Vertical Guide
Tray Paper Size
SW2
Magnetic Clutches
MC1 Upper Paper Feed
MC2 Lower Paper Feed
MC3 Relay
PCBs
Main
PCB1
G035
Function
Drives all rollers.
Lifts the upper and lower tray bottom plates
(there are two motors in this unit, one for
each tray.
Detects when the paper in the upper tray is
at the correct feed height.
Detects when the paper in the lower tray is
at the correct feed height.
Informs the copier when the upper tray runs
out of paper.
Informs the copier when the upper tray runs
out of paper.
Detects misfeeds.
Detects misfeeds.
tray.
tray.
tray.
tray.
Detects whether the vertical guide is open.
Detects the paper size in the paper tray
based on a dial setting.
Starts paper feed from the upper tray.
Starts paper feed from the lower tray.
Drives the transport rollers.
Controls the paper tray unit and
communicates with the copier.
8-4
Index No.
2
6
3
9
13
10
12
11
17
16
15
14
8
18
5
7
4
1
SM