OKIDATA OL820 manuals
OL820
Table of contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Part Number
- Product Specifications 1.1 Overview
- Physical Specifications
- Print Specifications
- Paper Specifications
- Power Requirements
- Options
- Consumables
- Reliability Data
- Main Control Function
- Centronics Parallel Interface
- RS-232C Serial Interface
- Optional Font Card
- Optional RAM Board / IC Set
- Printer Control Function
- Operation Panel
- Engine Board
- Power Supply Unit
- Fuser Unit
- Main Motor (Drum Motor)
- LED Head
- Resist Motor
- DC Fan
- Mechanical Operation Description
- OL400 Printing Process
- Process Descriptions
- Sensors And Switches
- Sensor Functions
- Maintenance & Disassembly 3.1 Maintenance
- Maintenance Tools
- Maintenance Precautions
- Disassembly/Assembly Procedures
- Upper Cover
- Interface Board
- RAM Board (Option)
- Main Controller Board
- Engine Controller Circuit Board (LLAB)
- Main Motor
- DC Fan Assembly
- Idle Gears "A" and "B", and the Reduction Gear
- Upper Unit
- Fusing Unit
- Backup Roller
- Transfer Charger Assembly
- Resist Roller Assembly
- Idle Gear C
- Paper Supply Unit
- Engine Connection Board
- Hopping Roller
- Separator
- Ozone Filter
- Adjustments And Service Checks
- Actual Page Count
- Modified Page Count
- Vertical Print Start Position Adjustment
- Setting the LED Head Drive Time
- Voltage Adjustment (+5 vdc)
- Darkness Control
- Cleaning
- Troubleshooting Updates
- Reporting Problems
- Troubleshooting Tips
- Fault Alarms
- Error Messages Table
- Repair Analysis Procedures
- RAP Index
- RAP 01 Printer Does Not Initialize
- RAP 02: Paper Feed Jam Alarm
- RAP 03: Paper Jam Alarm
- RAP 04: Size Tray Error Alarm
- RAP 05: Engine Error - Fusing Problem Alarm
- RAP 06: Engine Error Alarm
- RAP 07: Light or Blurred Images
- RAP 09: Blank Output
- RAP 10: Vertical Black Stripes
- RAP 11: Repeating Marks
- RAP 12: Blank Spots
- RAP 13: Vertical White Stripes
- RAP 14: Black
- RAP 15: Poor Fusing
- Self-Tests
- A.2 Charts
- A.2.01 Main Controller Board (LBPE / LBPF)
- A.2.02 Engine Controller Board (LLAB)
- A.2.03 Operator Panel PCB (LLDC)
- A.2.04 Engine Connection PCB (LLCC)
- A.2.05 Centronics Parallel Interface PCB (LLCP / LLCQ)
- A.2.06 RS-232C Interface PCB (LLRS)
- A.2.07 Expansion RAM Board (optional) (RAMK / RAMH)
- A.2.08 Power Interconnect Board (LLIE)
- A.2.09 Power Supply Unit
- B Illustrated Parts Listing B.1 Illustrated Parts Listing
- B.1.02 Definitions of Terms
- B.1.03 Parts Ordering Information
- B.2 Charts
- B.2.01 Items 1 - 7
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