Canon PH-72 User manual

SERVICE MANUAL

PARTS CATALOG

REVISION 0

RY8-1397-000

JAN. 1999

PAPER HANDLING

CONTROLLER

Printed in Japan

Imprimé au Japon

Use of this manual should be

strictly supervised to avoid

disclosure of confidential

information.

Prepared by

PERIPHERAL PRODUCTS QUALITY PLANNING DIV.

PERIPHERAL PRODUCTS TECHNICAL DOCUMENTATION DEPT.

CANON INC.

5-1 Hakusan 7-chome, Toride-City, Ibaraki-Pref.,302-8501 Japan

PREFACE

This Service Manual contains basic information required for after-sales service of Paper

Handling Controller PH-72. This information is vital to the service technician in maintaining

the high quality and performance of the controller.

This manual consists of the following chapters:

Chapter 1: Product information

Features, specifications and basic operation

Chapter 2: The Mechanical System

Installation procedure and malfunction troubleshooting

Chapter 3: Parts Catalog

Paper handling controller PCB assembly

Appendix: Paper handling controller circuit diagram

Information in this manual is subject to change as the product is improved or redesigned.

All relevant information in such cases will be supplied in Service Information Bulletins.

A thorough understanding of this controller, based on information in this Manual and Service

Information Bulletins is required for maintaining its performance and for locating and repairing

malfunctions.

DTP system

This manual was produced on an Apple PowerMacintosh 9500/200 personal computer and output by an

Apple LaserWriter 16/600 PS laser beam printer; final pages were printed on AGFA Selectset avantra 25.

All graphics were produced with Macromedia FreeHand (E), and all documents and page layouts were

created with QuarkXPress (E).

The video images were captured with SONY degital video camcorder and Radius Photo DV capture

board, and modified with Adobe Photoshop(J).

CONTENTS
CHAPTER 1 PRODUCT INFORMATION
I. FEATURES ............................. 1-1
II. SPECIFICATIONS.................... 1-2
A. Paper Handling Controller . 1-2
B. Interface Connector 
Locations .......................... 1-2
C. System Block Diagram....... 1-3
D. Interface Connector .......... 1-4
III. BASIC OPERATION ................. 1-6
A. Outline.............................. 1-6
B. Operations by Block .......... 1-7
C. Operation Outline.............. 1-8
CHAPTER 2 THE MECHANICAL SYSTEM
CHAPTER 3 PARTS CATALOG
I. INSTALLATION PROCEDURE .. 2-1
II. MALFUNCTION
TROUBLESHOOTING .............. 2-3
A. Initial Check ..................... 2-3
B. Malfunction 
Troubleshooting ................ 2-3
I. PAPER HANDLING CONTROLLER
PCB ASSEMBLY...................... 3-1
APPENDIX
I. PAPER HANDLING CONTROLLER
CIRCUIT DIAGRAM................. A-1

CHAPTER 1

PRODUCT INFORMATION

I. FEATURES ............................. 1-1

II. SPECIFICATIONS.................... 1-2

III. BASIC OPERATION ................. 1-6

I. FEATURES

1. Option I/O device connection

By installing the Paper Handling Controller in the printer, connections with optional input

devices (high capacity decks with multiple decks of up to 10 decks with a maximum capacity of

6300 pages) and optional output devices (sorters and staple stackers with a maximum of 63

bins) are made possible.

2. Wide range of options capability

By installing the Paper Handling Controller in the printer, a maximum of 5 optional I/O devices

can be connected.

1 - 1

CHAPTER 1

II. SPECIFICATIONS

A. Paper Handling Controller

1) CPU NEC UPD784020GC-3B9

Memory (RAM) 512 bytes

Frequency 25 MHz

2) EPROM TEXAS INSTRUMENTS TMS27C512-12JL

64K bytes

3) SRAM TOSHIBA TC55257DFL-70L

32K bytes

B. Interface Connector Locations

Figure 1-2-1

1 - 2

CHAPTER 1

Paper Handling Controller I/F

Paper Handling Controller Optional input/output device I/F

This manual suits for next models

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