Oki OKIDATA ML520 manuals
OKIDATA ML520
Table of contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- General Information
- Physical Specifications
- Power Requirements
- Environmental Conditions
- Agency Approvals
- Operational Specifications
- Paper Specifications
- Memory Specifications
- Consumables
- Options - Cut Sheet Feeders
- Pull Tractor Kit
- Bottom Push Tractor Kit
- Serial Interface
- Roll Paper Stand
- OKISmart Typer Utility
- Reliability
- Electrical Operation
- Block Diagram
- Program ROM
- Electrically Erasable Programmable Read Only Memory
- Parallel Interface Control
- Print Control
- LSI/Printhead Interface
- Gap Adjust Control
- Print Compensation Control
- Space and Line Feed (SP/LF) Motor Control
- Space Motor Control
- Operation Panel
- Alarm Circuit
- Low Motor Drive Voltage Alarm
- Head Drive Time
- Print Speed
- Head Overheat Alarm Processing
- Power Supply Circuit
- Printhead Gap Information
- Interconnect Diagram: Control Board to Printhead
- Line Feed Motor Resistance
- Space Motor Resistance
- Printhead Operation
- Printhead Temperature
- Spacing Mechanism
- Spacing Operation
- Head Gap Mechanism
- Ribbon Drive Operation
- 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
- Paper Detection Mechanism
- Support Protector Mechanism
- Automatic Paper Load
- Continuous Feed Paper
- Paper Park
- Maintenance & Disassembly 3.1.01 General Information
- Maintenance Tools
- Maintenance Precautions
- Disassembly/Assembly Procedures
- Preliminary Items
- Printhead Assembly
- Ribbon Protector
- Gear Case Assembly
- Pull-up Roller Assembly
- Upper Cover, Access Cover, and Sheet Guide
- Power Supply Assembly
- Operator Panel PCB (LEOP)
- PC Connector
- Space Motor and Roller Guide Assemblies
- Space Rack
- Roller/Holder Backup Assembly
- Guide Rail and Adjust Cam
- Left Ground Plate
- Right Ground Plate
- Rear and Cut Sheet Paper Feed Sensor Levers
- Platen Assembly
- Paper Chute Assembly
- Line Feed Motor Assembly
- Reset Spring
- Idle Gear and Change Lever
- Pressure Spring
- Carriage Shaft
- Leaf Spring
- Bottom Paper Sensor Levers
- Front Pressure Roller Assembly
- Tractor Assembly
- Main Frame
- Printer Adjustments
- Printhead Gap Adjustment
- Key Combinations
- Menu Operation
- Top of Form
- Tear Feature
- Resets
- Cleaning
- Shipping Instructions
- Printer Serial Number Identification
- Firmware Revision Identification
- Reporting Problems - General Information
- Problem Lists
- Reporting Methods
- Troubleshooting Updates
- Troubleshooting Tips
- Problem Categories
- Tips for Preventing Image Problems
- Common Problems
- Abnormal Output - Output Samples
- Left Margin Drifting Problem
- Fault Alarms
- ALARM/LED Display Troubleshooting Table Index
- Repair Analysis Procedures (Raps)
- RAP 01 No Power Supplied to Printer
- RAP 02 No Spacing Operation
- RAP 03 Printhead Homing Error
- RAP 04 Paper Jam During Paper Loading
- RAP 05 Printhead Pins Not Firing
- RAP 06 Poor Print Quality
- RAP 07 Ribbon Feed Problem
- RAP 08 Line Feed Problem
- RAP 09 Operation Panel Malfunction
- RAP 10 Parallel Interface Problem
- RAP 11 Serial Interface Problem
- Printer Tests
- Serial Cable Information
- Serial Interface Signal Requirements
- Commonly Used Serial Cable Configurations
- Hexadecimal Dump Mode
- Resistance Checks
- Layout Diagram
- Printhead
- A.2 Index To Charts
- Board Layout
- A.2.01 Main Controller Board (FJIM)
- A.2.02 Operator Panel Board (LEOP)
- A.2.03 Power Supply Assembly
- A.2.04 Space Motor Board
- A.2.05 RS232-C Serial Interface Board - Option (LXHI)
- B Illustrated Parts Listing B.1 Overview - B.1.01 General Information
- Format
- Current Part Numbers
- B.1.02 Definition of Terms
- B.1.03 Parts Ordering Information
- B.2 Charts
- Overview
- B.2.01 Printer
- B.2.02 Upper Cover Assembly
- B.2.03 Printer General Assembly
- B.2.04 Printer Unit
- B.2.05 Printer Unit
- B.2.06 Printer Unit
- B.2.07 Carriage Assembly
- B.2.08 Options
- B.2.09 Option Parts
- B.2.10 Consumables
- B.2.11 Packing Materials
- B.2.12 Documentation
- B.2.13 Service Training Kit Revision List
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