Electrical Component Descriptions - Ricoh B230 Service Manual

2.1.3 ELECTRICAL COMPONENT DESCRIPTIONS

Symbol Name
Motors
M1 Tray
M2 Tray Lift
Sensors
S1 Paper Feed Sensor
S2 Relay
Paper End 1
S3
(paper feed side)
S4 Lift
Paper Height 1, 2,
S5-S7
3
S8 Lower Limit
S9 End Fence HP
S10 Side Fence
Paper End 2
S11 (paper storage
side)
S12
Paper Height 4, 5
S13
Switches
SW1 Vertical Guide
SW2 Tray Set Switch
SM
Function
Drives all rollers.
Drives the paper tray up or down.
Detects whether the paper is jammed at
LCT.
Detects the copy paper coming to the relay
roller and checks for misfeeds.
Informs the copier/printer when the paper in
the right side (paper feed side) of the tray
has been used up. If there is a paper stack
in the left side (paper storage side), this is
moved into the paper feed side. If there is
no paper stack in the left side, paper end is
indicated.
Detects when the paper is at the correct
paper feed height.
Detects the amount of paper remaining in
the right side of the tray.
Detects when the tray is completely
lowered, to stop the LCT motor.
Detects when the left fence is at its home
position
Detects whether the side fence is open or
closed. (The fence opens when the left-tray
paper stack is moving to the paper feed
side.)
Informs the copier/printer when there is no
paper in the left side (paper storage side) of
the tray.
Detects the amount of paper remaining in
the left side of the tray.
Detects whether the right cover is open.
Detects whether the tray is correctly set.
13
Component Layout
Index
No.
3
13
11
9
10
8
14
16
18
12
19
20
7
15
B801