Tables Of Electrical Components - Ricoh JP5800 Service Manual

ELECTRICAL COMPONENT LAYOUT

1.8.12 TABLES OF ELECTRICAL COMPONENTS

Boards
Index No.
1 Operation Panel Board
2 Lamp Stabilizer
3 Job Separator Board
4 Main Motor Control
Board
5 Power Supply Unit
(PSU)
6 Main Processing Unit
(MPU)
7 I/O Board
8 Memory Board
9 Interface Board
10 Thermal Head Power
Supply Board
11 Sensor Board Unit
(SBU)
19 Feed Pressure
Detection Board
26 Paper Width Detection
Board
51 Separation Pressure
Detection Board
97 Ink Detection Board
106 Paper Tray Board
151 Paper Delivery Table
Board
Solenoids
Index No.
54 Printing Pressure
Release Solenoid
86 Duct Entrance Solenoid
103 Tray 1 Right Lock
Solenoid
104 Tray 2 Lock Solenoid
121 Tray 1 Left Lock
Solenoid
123 Tray 1 Connection
Solenoid
Name
Controls the operation panel.
Provides dc power for the xenon lamp.
Controls the job separator.
Controls the main motor.
Provides dc power to the system.
Controls all machine functions both directly and
through other boards.
Controls the mechanical components.
Enables the image editing function and data
printout via SP mode. This is an option.
Enables the connection with the PC controller.
This is an option for the China and Ricoh Asia
versions, and a standard component for the
U.S.A and Europe versions.
Provides dc power to the thermal head.
Contains the CCD, and outputs a video signal to
the MPU.
Sends data about the paper feed pressure to the
CPU.
Sends data about the paper width on the paper
table to the CPU.
Sends data about the paper separation pressure
to the CPU.
Checks if there is ink in the drum.
Controls the paper tray.
Controls the paper delivery table.
Name
There are two solenoids: one at the front and
one at the rear. They pull the release arms to
apply the printing pressure against the drum.
Opens or closes the plate at the entrance of the
master buffer duct.
Locks the right half of the tandem tray while
paper is fed from that tray.
Locks tray 2 while paper is fed from tray 2.
Locks the left half of the tandem tray while the
paper stack is moved from left to right.
Locks the right and left halves of the tandem tray
so that they don't separate.
Function
Function
1-22
1 March, 2000