Boards; Motors - Ricoh C231 Service Manual

ELECTRICAL COMPONENT LAYOUT

Boards

Index No.
2 Main Processing Unit
(MPU)
3 Lamp Stabilizer
17 Power Supply Unit
25 Operation Panel Boards These boards control the operation panel.
4 Contact Image Sensor
and Xenon Lamp
40 Noise Filter Board
42 Main Motor Control
Board

Motors

Index No.
7 Master Feed Motor
18 Cutter Motor
19 Registration Motor
1 Scanner Motor
30 Master Eject Motor
31 Air Knife Fan Motor
34 Pressure Plate Motor
35 Vacuum Fan Motor
36 Paper Transport Motor
39 Clamper Motor
44 Main Motor
46 Paper Table Motor
52 Ink Pump Motor
C231/C237/C238
Name
Controls all machine functions both directly and
through other boards.
This supplies power to the xenon lamp.
Provides dc power to the system.
This sensor reads and converts the light
reflected from the document into an analog
video signal. It uses an RMLA (Roof Mirror Lens
Array) sensor unit.
The xenon lamp that illuminates the document is
contained in this unit.
Filters out electrical noise on the ac power input
lines.
Controls the main motor speed.
Name
Feeds the master to the drum.
Cuts the master.
Feeds the paper to align it with the master on
the drum.
Stepper motor drives the book scanner.
Sends used masters into the master eject box.
Rotates the fan to provide air to separate the
leading edge of the paper from the drum.
Raises and lowers the pressure plate.
Provides suction so that paper is held firmly on
the transport belt.
Transports the printed paper.
Opens or closes the drum master clamper.
Drives paper feed mechanisms and the drum.
Raises and lowers the paper table.
Drives the ink pump.
Function
Function
1-14
SM