Download OKI MICROLINE 520 Matrix Printer

Table of Contents
Page
Service Guide ML520/521
0 About This Manual
Front Cover
Copyright Information
1 Product Specifications
1.1.01 General Information
....1.2 Physical Specifications
....1.3 Power Requirements
....1.4 Environmental Conditions
....1.5 Agency Approvals
....1.6 Operational Specifications
....1.7 Paper Specifications
....1.8 Memory Specifications
....1.9 Consumables
....1.10 Options - Cut Sheet Feeders
........1.10.02 Pull Tractor Kit
........1.10.04 Bottom Push Tractor Kit
........1.10.05 Serial Interface
........1.10.06 Roll Paper Stand
........1.10.08 OKISmart Typer Utility
....1.11 Reliability
2 Principles of Operation
2.1 Electrical Operation
....2.1.01 Main Control Board
........Block Diagram
........Program ROM
........RAM
........LSI
........Electrically Erasable Programmable Read Only Memory
(EEPROM)
....2.1.02 Initialization
....2.1.03 Parallel Interface Control
....2.1.04 Print Control
........LSI/Printhead Interface
........Gap Adjust Control
........Print Compensation Control
....2.1.05 Space and Line Feed (SP/LF) Motor Control
........Line Feed Motor Control
........Space Motor Control
........Encoder Disk
....2.1.06 Operation Panel
....2.1.07 Alarm Circuit
........Low Motor Drive Voltage Alarm
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