Ricoh Provence-P2W Manuel d'entretien - Page 31

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15 July 2005

6.5 ELECTRICAL COMPONENTS

6.5.1 MAIN BOARDS

J001/J003 Manual Reference

Comment

J006 Boards

Control Board

Operation Panel Board

Cartridge Connect Board

DRV Board

COM Board

Sub Encoder Board

PSU

6.8.1 Main Boards

Board layout has changed.

J001/J003 Main Function

Common

The main board that interfaces with the host

computer, standard paper tray, and optional paper

tray to provide all the printer features provided by

the printer driver.

Common

The operation panel connects to the Multi I/F.

New

This is a new board that interfaces between the

four new ID chips (Y, M, C, K) and the controller

board.

Common

The DRV Board contains these important

components and functions:

• Phase control for the print head drive

• Ink supply motor driver

• Maintenance stepper motor driver

• Sensor signal detection.

The COM Board contains these important

Common

components and functions:

• Carriage horizontal position detection

• Paper leading edge, horizontal width detection

• Temperature detection of the area near the print

heads

• Waste ink tank full detection

• Recognizes the printer type (J001/J003)

• Print head control

Common

Contains these important components and

functions:

• Controls sub scan detection position

• Provides high-voltage power I/F

• Provides power I/F for optional tray

• Contains driver for the paper feed clutch

• Provides I/F for sensors

Common

Controls power supply to the printer. The vertical

motor and horizontal motor connect directly to the

Sub Scan I/F and Main Scan I/F, not directly to the

PSU as in the previous models.

DETAILS