Okidata Microline 590, 591 dot matrix printer maintenance manual

Okidata Microline 590, 591 dot matrix printer maintenance manual Preview image 1
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  • File Size: 7.96 MB
  • File Type: PDF
  • Language: English
  • Pages: Number of pages: 172 ,
  • Printable: Yes
  • Estimated Download Time: 0.16 Minutes
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Models Covered in this Manual

Microline 590, 591 / Okidata Oki Electric Industry Co., Ltd

Product Information

Table of Contents

1. Configuration

  • Standard Printer Configuration
  • Options

2. Installation Procedure

  • Unpacking
    • Unpacking the Packing Box
    • Unpacking the Printer Unit
    • Unpacking the Accessories
    • Inspection
  • Repacking for Transportation
  • Removing the Shipping Retainer
  • Installing the Accessories
  • Connecting Cables
  • Installing Paper
    • Fanfold
    • Name Section
  • Powering On
  • Operating
  • Table of Menu Selections
  • Initializing the Option Kits
    • Optional Sheet Feeder
    • Pull Tractor Assy
    • Colour Kit
    • Roll Paper Stand (ML-591 Only)

3. Theory of Operation

  • Electrical Operation
  • Microprocessor and the Peripheral Circuits
  • Initialization
  • Printhead Motor Control
  • SPUF Motor Control
  • Operation Panel
  • Alarm Control
  • IC Card Control
  • Power Supply Circuit
  • Mechanical Operation
    • Printhead Mechanism and Operation
    • Spacing Operation
    • Head Gap Adjustment
    • Ribbon Drive Operation (Black Ribbon, Colour Ribbon)
    • Paper Feed Operation
    • Tractor Feed Operation
    • Paper Detection Mechanism
    • Automatic Sheet Feeder
    • Paper Path Function

4. Assembly/Disassembly

  • Precautions for Parts Replacement
  • Service Tools
  • Disassembly/Reassembly Procedure
    • Removal
    • Installation
  • Ribbon Protector
  • Ribbon Mask
  • Upper Cover Assy, Access Cover Assy, and Sheet Guide Assy
  • Top Cover Assy
  • PC Board Assy
  • Space Platen
  • Main Frame
  • Sheet Guide, Guide Roller Assy
  • Rear Cover
  • Pin Tractor Assy
  • Carriage Cover
  • Operator Panel PCB (LOF)
  • Printhead
  • Operator Panel
  • Change Lever and Gears
  • Platen Knob
  • Carriage Shaft and Support Protector
  • Paper Chute Assy
  • Rear Tractor Assy

5. Adjustment

  • Gap Between Platen and Printhead
  • Printhead Self-Adjust Test

6. Cleaning and Lubrication

  • Cleaning
  • Lubrication

7. Troubleshooting and Repair

  • Items to Check Before Repair
  • Troubleshooting Table
  • Lamp Display
  • Connection Circuit Check for Printhead and SPUF Motor
  • Troubleshooting Flow Chart

Appendix

  • PCB Layout
  • Circuit Diagram
  • Spare Parts List

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