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OKIDATA Microline 395 User Manual

OKIDATA Microline 395
178 pages
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Chapter 0
Front Cover
ML395 ( 96-02-03 )

Table of Contents

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OKIDATA Microline 395 Specifications

General IconGeneral
TypeDot Matrix Printer
Resolution360 x 360 dpi
Number of Pins24
Noise Level55 dB
Print DirectionBidirectional
ConnectivityParallel, Serial
Print MethodImpact Dot Matrix
Paper Width3" - 14.3" (76.2 mm - 363.2 mm)

Summary

Chapter 1 Overview - General Information

1.1 OVERVIEW

Provides a general overview of the printer's capabilities and emulations.

1.1.01 General Information

Details the printer's high-speed, dot matrix technology and standard interfaces.

1.2 Product Specifications

Lists paper feed, printhead, interfaces, speed, symbols, fonts, and paper detection.

1.11 Printer Reliability

Details Mean Time Between Failure (MTBF), MTTR, printer life, and printhead life.

Chapter 2 Electrical Operation - General Information

2.1 ELECTRICAL OPERATION

Introduces the electrical system of the printer.

2.1.01 General Information

Describes the Control Board's components and power distribution.

2.1.02 Microprocessors (MPUs) and Peripheral Circuits

Details microprocessors, ROM, DRAM, CGROM, EEPROM, and LSIs.

2.1.03 Initialization

Describes the printer initialization process upon power-on or reset.

2.1.04 Interface Control

Explains how serial and parallel interfaces are selected and controlled.

2.1.05 Printhead Drive Circuit

Explains the circuit for driving the 24 print wires and head drive duration.

2.1.06 Spacing Drive Circuit

Describes the circuit that controls carriage spacing via the servo motor.

2.1.07 Line Feed Circuit

Explains the circuit responsible for feeding paper line by line.

2.1.08 Alarm Circuits

Details fault alarm, printhead overheat alarm, and cover open alarm circuits.

2.1.09 Paper End Detection Circuit

Explains how the printer detects the end of paper in various feed modes.

2.1.10 Power Supply

Details the switching power supply's function and voltage outputs.

2.2 Mechanical Operation

Introduces the mechanical systems of the printer.

Chapter 3 Maintenance - General Information

3.1 MAINTENANCE

Introduces the maintenance section covering replacement, adjustment, and cleaning.

3.1.03 Maintenance Precautions

Provides essential safety and handling precautions for maintenance.

3.2 Disassembly/Assembly Procedures - General Information

Introduces the procedures for disassembling and assembling printer components.

3.3 Printer Adjustments - Printhead Gap

Details the procedure for adjusting the printhead gap.

3.4 Cleaning

Introduces the printer cleaning section and general precautions.

3.5 Lubrication

Introduces lubrication procedures, intervals, and recommended lubricants.

Chapter 4 Troubleshooting

4.4 Troubleshooting Tips - Preliminary Checks

Lists initial checks to perform before diagnosing problems.

4.4.03 START HERE Flowchart

Provides a flowchart to guide troubleshooting based on initial symptoms.

4.6 FAULT ALARMS - General Information

Explains how the ALARM lamp indicates errors and the use of the Alarm Codes Table.

4.7 Repair Analysis Procedures (RAPS) - Using The RAPS

Provides steps on how to use the RAPs to diagnose problems.

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