Electrical Component Descriptions - Ricoh D025 Service Manual

Component Layout

2.1.3 ELECTRICAL COMPONENT DESCRIPTIONS

Symbol Name
Motors
M1 Tray
M2 Tray Lift
Sensors
Paper Feed
S1
Sensor
S2 Relay
Paper End 1
S3
(paper feed side)
S4 Lift
Paper Height 1,
S5-S7
2, 3
S8 Lower Limit
S9 End Fence HP
S10 Side Fence
D352
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
14
Index No.
3
13
11
9
10
8
14
16
18
12
SM