Part 4: Technical Reference - Canon BJC-55 Service Manual

Part 4
TECHNICAL
REFERENCE
Page
4 - 1 1. OVERVIEW
4 - 1 1.1 Printer Block Diagram
4 - 2 1.2 Initial Flowchart
4 - 4 1.3 Print Signal Flow
4 - 5 1.4 Print Drive
4 - 7 1.5 Scanner Drive
4 - 8 1.6 Power Off Operation Flow
4 - 9 2. FIRMWARE
4 - 9 2.1 Interface
4 -15 2.2 720 dpi Printing/Smoothing
Feature
4 -16 2.3 Printing Modes
4 -17 2.4 Optimum Printing Direction
Control
4 -17 2.5 Automatic Emulation Switching
4 -18 2.6 Lithium Battery Recharging
4 -19 3. PRINTER MECHANISM
4 -19 3.1 Overview of the Mechanical
System of the Printer
4 -21 3.2 BJ Cartridge
4 -28 3.3 Purge Section Structure
Page
4 -30 3.4 Paper Feed Mechanism
4 -32 3.5 Carriage Section
4 -34 4. PRINTER ELECTRICAL SYSTEM
4 -34 4.1 Overview
4 -35 4.2 Signal Control Section
4 -39 4.3 Power Supply Section
4 -44 5. DETECTION FUNCTION
4 -44 5.1 HP Sensor
4 -44 5.2 Paper End Sensor
4 -44 5.3 Delivery Sensor
4 -44 5.4 Temperature Sensor
4 -44 5.5 Head Temperature Sensor
4 -45 5.6 Waste Ink Level Detection
4 -45 5.7 Remaining-ink Level Detection
4 -46 6. SCANNER CARTRIDGE
4 -46 6.1 Scanner Cartridge Overview
4 -47 6.2 Scanner Cartridge Structure
4 -49 6.3 Signal Contacts
4 -50 6.4 Scan Mode
4 -50 6.5 Calibration