Electrical Component Descriptions; Paper Feed - Ricoh D129 Service Manual

2.1.3 ELECTRICAL COMPONENT DESCRIPTIONS

Symbol Name
Motors
M1

Paper Feed

M2 Tray Lift
Sensors
S1 Paper Feed
S2 Relay
S3 Paper End
S4 Tray Lift
S5 Paper Height 1
S6 Paper Height 2
Sub Paper
S7
Height
S8 Paper Height 3
S9 Lower Limit
SM
Function
Drives all rollers.
Drives the paper tray up or down.
Detects whether the paper is jammed at
the LCT.
Detects the copy paper coming to the
relay roller and checks for misfeeds.
Informs the mainframe when the paper in
the tray has been used up and indicates
paper end.
Detects when the paper is at the correct
paper feed height.
Detects the amount of paper remaining in
the tray.
Detects when the tray is completely
lowered, to stop the tray lift motor.
13
Component Layout
Index No.
4
5
12
9
13
10
14
15
16
17
18
D631