Download OKI MICROLINE 591 Matrix Printer

Table of Contents
....1.10.08 OKISmart Typer Utility
....1.10.09 OKISmart Panel Utility
1.11 Reliability
2 Principles of Operation
2.1 Electrical Operation
....2.1.02 Main Control Board
........Block Diagram
........Program ROM
........RAM
........Character Generator ROM (CG ROM)
........Electrically Erasable Programmable ROM (EEPROM)
........LSI
....2.1.03 Initialization
....2.1.04 Parallel Interface Control
....2.1.05 Print Control
........LSI/Printhead Interface
........Gap Adjust Control
........Print Compensation Control
....2.1.06 Space and Line Feed (SP/LF) Motor Control
........Line Feed Motor Control
........Space Motor Control
........Encoder Disk
....2.1.07 Operation Panel
....2.1.08 Alarm Circuit
........Head Drive Time
........Print Speed
........Head Overheat Alarm Processing
....2.1.09 Power Supply Circuit
2.2 Mechanical Operation
....2.2.01 Printhead Mechanism
........Interconnect Diagram: Control Board to Printhead
........Line Feed Motor Resistance
........Space Motor Resistance
........Printhead Operation
....2.2.02 Spacing Mechanism
....2.2.03 Head Gap Mechanism
....2.2.04 Ribbon Drive Mechanism
........Color Ribbon Shift Mechanism
....2.2.05 Line Feed Mechanism
........Cut Sheet/Continuous Sheet Switching Mechanism
........Cut Sheet Paper Feed Operation
........Continuous Paper Feed (Rear Tractor Mechanism)
........Continuous Paper Feed (Pull Tractor Mechanism)
........Continuous Paper Feed (Bottom Tractor Feed
Mechanism)
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