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BJC-1000 printer Service Manual

TABLE OF CONTENTS

Part 1: Safety and Precautions
1. PERSONAL SAFETY PRECAUTIONS
1.1 Moving and Rotating Parts
1.2 Ink Stains
1.2.1 Ink path
1.2.2 Ink mist
2. MACHINE PRECAUTIONS
2.1 Precautions for Handling BJ Cartridges
2.1.1 Turning the printer ON/OFF
2.1.2 When the printer is not in use
2.1.3 Transportation precautions
2.1.4 Ink electroconductivity
2.2 Printer Handling
2.2.1 Spur deformation prevention
2.2.2 Precautions to prevent damage from static electricity
2.2.3 Ink leakage precautions
3. PRECAUTIONS FOR SERVICE
3.1 EEPROM Data Precautions
3.2 Static Electricity Precautions
3.3 Disassembly and Reassembly Precautions
3.4 Built-in Self-diagnostic Functions

Part 2: Product Specifications
1. PRODUCT OUTLINE
1.1 Product Outline
1.2 Features
1.3 BJ Cartridge
1.3.1 Color and Photo BJ cartridges
1.3.2 Black BJ cartridge
1.4 BJ Cartridge Container
1.5 Consumables
1.5.1 BJ cartridges (Black, Color, and Photo)
2. SPECIFICATIONS
2.1 General Specifications
2.2 Paper Specifications
2.2.1 Paper setting
2.2.2 Printing range
2.3 Interface Specifications

Part 3: Operating Instructions
1. PRINTER SETUP
1.1 Equipment Check
1.2 Printer Dimensions
1.3 Setup Procedure
1.3.1 Connecting the interface cable
1.3.2 Turning on the printer
1.3.3 Installing the cartridge
1.3.4 BJ cartridge container
1.4 Turning the Printer On/Off
1.4.1 Turning the printer on
1.4.2 Turning the printer off
1.5 Paper Settings
1.6 Banner Printing
1.7 Name of the Parts and Their Functions
2. PRINTER SERVICING FUNCTIONS
2.1 Error Indications
2.2 Cleaning the BJ Cartridge
2.3 Self-Test Printout
2.3.1 Nozzle check pattern
2.3.2 Service test print
2.4 EEPROM Reset
2.4.1 EEPROM Reset
2.4.2 Printing the EEPROM data

Part 4: Technical Reference
1. OVERVIEW
1.1 Block Diagram
1.2 Printing Signal Flow
1.3 Print Drive
1.3.1 Printing drive control
2. FIRMWARE
2.1 720 dpi Printing/Smoothing Feature
2.1.1 Canon extension mode
2.2 Printing Modes
2.2.1 Printing mode
2.3 Optimum Printing Direction Control
3. PRINTER MECHANICAL SYSTEM
3.1 Overview
3.1.1 Mechanical components
3.2 BJ Cartridge
3.2.1 Black BJ cartridge structure
3.2.2 Color/Photo BJ cartridge structure
3.2.3 Bubble head unit structure
3.3 Purge Unit
3.3.1 Purge unit functions
3.3.2 Purge unit structure
3.4 Carriage
3.4.1 Carriage functions
3.4.2 Carriage structure
3.5 Paper Feed
3.5.1 Outline of the paper feed
3.5.2 Structure of the sheet feeder
4. PRINTER ELECTRICAL SYSTEM
4.1 Overview
4.2 Logic Section
4.2.1 Logic section block diagram
4.2.2 Logic section components
5. SENSOR FUNCTIONS
5.1 Pick-Up Roller Sensor
5.2 Paper End Sensor
5.3 Home Position Sensor (Purge Sensor)
5.4 Temperature Sensor
5.5 Waste Ink Amount Detection

Part 5: Maintenance
1. MAINTENANCE & SERVICING TOOLS
1.1 Maintenance
1.1.1 Parts for Regular Replacement
1.1.2 Consumables
1.1.3 Periodic Maintenance
1.2 Servicing Tools
2. GREASE APPLICATION
3. DISASSEMBLY AND REASSEMBLY
3.1 Disassembly and Reassembly
3.2 Disassembly and Reassembly Cautions
3.3 Logic Board and Bottom Cover Replacement Cautions
3.3.1 Logic board replacement cautions
3.3.2 Cautions after replacing the bottom cover
4. TROUBLESHOOTING
4.1 Troubleshooting
4.1.1 Overview
4.1.2 Troubleshooting cautions
4.2 Error Condition Diagnosis
4.2.1 Initial self check
4.2.2 Error recovery
5. LOCATION & SIGNAL ASSIGNMENT
5.1 Logic Board
5.2 Carriage Ribbon Cable
5.3 BJ Cartridges
6. CIRCUIT DIAGRAMS
6.1 Parts Layout
6.1.1 Logic board
6.2 Circuit Diagram

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