Electrical Component Description - Ricoh D158 Service Manual

Component Layout

2.1.3 ELECTRICAL COMPONENT DESCRIPTION

Symbol Name
Motors
M1 Transport Motor
M2 Tray Lift Motor
M3 Tray Lift Motor
Sensors
Paper Pressure
S1
Revision Sensor
Paper Pressure
S2
Revision Sensor
Paper End
S3
Sensor
S4 Tray Lift Sensor
Paper End
S5
Sensor
S6 Tray Lift Sensor
S7 Relay Sensor
Paper Size
S8
Sensor
Paper Size
S9
Sensor
Paper Size
S10
Sensor
Paper Size
S11
Sensor
Paper Size
S12
Sensor
Paper Size
S13
Sensor
Switches
Right Door
SW1
Switch
SW2 Tray Set Switch
D699
Function
Drives all rollers.
Lifts the upper tray bottom plate.
Lifts the lower tray bottom plate.
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/printer when the upper tray
runs out of paper.
Detects the amount of paper in the upper tray.
Informs the copier/printer when the lower tray
runs out of paper.
Detects the amount of paper in the lower tray.
Detects misfeeds.
Determines what paper size is in the upper
tray.
Determines what paper size is in the upper
tray.
Determines what paper size is in the upper
tray.
Determines what paper size is in the lower tray.
Determines what paper size is in the lower tray.
Determines what paper size is in the lower tray.
Detects whether the right door is opened or
not.
Detects whether the upper tray is opened or
not.
12
Index
No.
14
4
16
9
18
12
10
21
19
11
1
2
3
24
23
22
8
5
SM