Ricoh B832 Servicehandleiding - Pagina 34
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10 March 2006
3.5 ELECTRICAL COMPONENT SUMMARY
Motors
No.
M1
4th Grip Motor
M2
4th Lift Motor
M3
4th Paper Feed Motor
M4
4th Transport Motor
M5
5th Grip Motor
M6
5th Lift Motor
M7
5th Paper Feed Motor
M8
5th Transport Motor
M9
6th Grip Motor
M10
6th Lift Motor
M11
6th Paper Feed Motor
M12
6th Transport Motor
M13
LCT Exit Motor
PCBs
No.
PCB1
Main Control Board
PCB2
Image Position Sensor Board
Sensors
No.
S1
4th Lift Sensor
S2
4th Paper End Sensor
S3
4th Paper Feed Sensor
S4
4th Paper Height Sensor 1
S5
4th Paper Height Sensor 2
S6
4th Paper Height Sensor 3
S7
4th Paper Height Sensor 4
S8
4th Paper Length Sensor (B834)
S9
4th Paper Width Sensor 1 (B834)
Name
Drives the separation roller and the grip roller of the 4th tray.
Drives the bottom plate of the 4th tray up and down.
Drives the pick-roller and feed roller that picks up each sheet
and starts to feed it out of the 4th tray.
Drives the rollers in the vertical feed path that feed the paper
from the 4th tray to the LCT exit motor.
Drives the separation roller and the grip roller of the 5th tray.
Drives the bottom plate of the 5th tray up and down.
Drives the pick-roller and feed roller that picks up each sheet
and starts to feed it out of the 5th tray.
Drives the transport rollers in the vertical feed path that feed
the paper from the 4th tray and the 5th tray to the LCT exit
motor.
Drives the separation roller and the grip roller of the 6th tray.
Drives the 5th tray up and down.
Drives the pick-roller and feed roller that picks up each sheet
and starts to feed it out of the 6th tray.
Drives the rollers in the vertical feed path that feed the paper
from the 6th tray to the LCT exit motor.
Feeds the paper out the LCT and into the entrance of the
copier.
Name
Name
B832-31
OVERALL MECHANICAL INFORMATION
Description
Description
Controls the operation of all motors and sensors in
the LCT unit.
Operates the CIS sensor (performs waveform
correction) the LCT. The CRB (CIS Relay Board) and
CIS sensor perform side-to-side image correction.
The CRB and CIS are a single unit. The CRB is not a
separate board.
Description
Detects when the paper in the 4th tray is at the
correct height for paper feed and switches the 4th
lift motor off.
Detects when the last sheet feeds from the 4th
tray.
Detects the paper when it arrives at the 4th paper
feed roller and checks for misfeeds.
4th from the bottom of the 4th tray, detects stack
height: 100%
5th from the bottom of the 4th tray, detects stack
height: 75%
6th from the bottom of the 4th tray, detects stack
height: 50%
4th from the bottom of the 4th tray, detects stack
height: 25% and signals near-end.
Detects the length of the paper in the 4th tray
(used in combination with the paper width
sensors).
1 of a set of 3 sensors that detect the width of the