Oki MICROLINE 791 Handbook
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MICROLINE
790/791
Printer Handbook

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Table of Contents
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Summarization of Contents

Chapter 1: Printer Installation
Unpacking Printer Components
Lists items to check after unpacking the printer.
Removing Shipping Retainers
Instructions for removing protective shipping retainers from the printer.
Installing the Ribbon Cartridge
Step-by-step guide for inserting a new ribbon cartridge.
Making Printer Connections
Details on how to connect the printer to a computer.
Connecting the Printer to Power
Instructions for plugging in and powering on the printer.
Chapter 2: Loading Paper
Loading Paper via Top Feed
Specifications for single sheets, envelopes, and transparencies.
Loading Continuous Forms via Rear Feed
Details for single-part, carbonless, and interleaf continuous forms.
Loading Forms via Bottom Feed
Specifications for continuous forms, envelopes, labels, and card stock.
Loading Single Sheets of Paper
Procedure for loading single sheets and envelopes.
Loading Rear-Feed Continuous Paper
Steps for loading continuous-form paper from the rear.
Printer Paper Handling Features
Overview of features like Tear, Form Tear-off, and Paper Park.
Using the Tear Feature
How to advance forms for easy tearing off printed sheets.
Forms Tear-off Feature
Automatic paper advancement to tear position after intervals.
Using the Paper Park Feature
Retracts continuous-form paper from the path when switching.
Switching Between Paper Paths
How to switch between continuous-form and single-sheet paper feeds.
Chapter 3: Printer Operation
Printer Control Panel Overview
Explains the function of buttons and lights on the control panel.
Printer Operation Modes
Describes the normal operating state of the printer.
Control Panel Indicator Lights
Explains the status indicated by POWER, SEL, ALARM, and QUIET lights.
Front Panel Button Functions
Details on the multi-function buttons and their various uses.
Printer Menu Mode Operations
How to enter and exit Menu Mode for printer configuration.
Menu Mode Indicator Lights
Explains indicator lights when the printer is in Menu Mode.
Menu Mode Button Functions
Details the functions of buttons when navigating the printer's menu.
Performing Basic Printer Tasks
Overview of common tasks like selecting quality and pitch.
Selecting Print Quality and Typeface
How to choose print quality and typeface using the PRINT QUALITY button.
Selecting Character Pitch
Adjusting character width per inch using the CHARACTER PITCH button.
Testing Printer Functions
Running Font Test, Rolling ASCII Test, and Hexadecimal Dump Test.
Using Barcode Printing Features
Information on the eight different barcode types supported by the printer.
Chapter 4: Working with Software
Basic Terminology for Software Use
Explains terms like printer drivers and printer commands.
Understanding Printer Commands
How the PC sends signals to control printer operations.
Printer Emulation Modes
Details the printer's three emulation modes: IBM Proprinter, IBM AGM, Epson LQ.
Compatible Printer Drivers
Information on selecting compatible printer drivers, especially for DOS.
Windows Printer Driver Installation
Steps for installing Windows drivers from the CD-ROM.
Chapter 5: Problem Solving, Maintenance, and Service
Troubleshooting Common Printer Issues
Addresses issues like no power, no printing, or incorrect symbols.
Printer Maintenance Procedures
Explains how to change ribbons, clear jams, and clean the printer.
Replacing the Ribbon Cartridge
Step-by-step instructions for replacing the ribbon cartridge.
Clearing Paper Jams
Procedures for clearing jams from rear feed and single sheet paths.
Cleaning the Printer Housing
Recommended cleaning schedule and steps for the printer exterior.
Optional Printer Accessories
Details on optional accessories like Cut Sheet Feeders and Tractors.
Replacement Parts List
Lists common replacement parts for the printer.
Appendix A: Printer Specifications
Printer Print Method
Specifies the print technology used by the printer.
Printer Speed Specifications
Details print speeds in Characters Per Second (CPS) for various modes.
Appendix B: Printer Menu Selections
Printer Control Menu Settings
Lists menu items for Printer Control, Font, Symbol Sets, and Rear Feed.
Explanation of Printer Menu Items
Provides detailed explanations for various printer menu items.
Appendix C: Epson Emulation Commands
Epson Emulation: Horizontal Control Commands
Details commands for carriage return, tabs, and horizontal positioning.
Epson Emulation: Vertical Control Commands
Commands for line spacing, form feed, and vertical tabs.
Epson Emulation: Vertical Format Unit Commands
Commands for programming vertical tab stops and format units.
Epson Emulation: Character Set Commands
Commands for defining and selecting character sets and code pages.
Epson Emulation: Bar Code Commands
Commands for selecting barcode types, sizes, and printing data.
Epson Emulation: Print Feature Commands
Commands for print quality, typefaces, and character pitch selection.
Appendix D: IBM Emulation Commands
IBM Emulation: Horizontal Control Commands
Commands for carriage return, tabs, and margins in IBM emulation.
IBM Emulation: Vertical Control Commands
Commands for line spacing, form feed, and reverse line feed.
IBM Emulation: Automatic Line Feed Control
Controls automatic line feed behavior in IBM emulation.
IBM Emulation: Set Form Length in Lines
Sets page length in lines relative to current line spacing.
IBM Emulation: Character Set and Code Page Commands
Commands for selecting character sets and code pages for IBM emulation.
IBM Emulation: Bar Code Commands
Commands for selecting barcode types, sizes, and printing data in IBM emulation.
IBM Emulation: Print Feature Commands
Commands for print quality, typefaces, and character pitch selection in IBM emulation.
IBM Emulation: 8-Pin Graphics Mode Commands
Commands for 8-pin graphics modes, density, and aspect ratio.
IBM Emulation: Select Character Style
Commands for selecting character style like normal, outline, or shadow.
Appendix E: ASCII Character Codes
ASCII Character Sets Overview
Tables showing ASCII character mappings for Epson and IBM sets.
Appendix F: Printer Interfacing
Parallel Interface Pin Assignments
Details pin functions for the parallel interface connector.
Universal Serial Bus (USB) Interface
Information on USB connector, cable, and signals.
Installing the Serial Interface Board
Instructions for installing the optional serial interface board.
Serial Interface Pin Assignments
Details pin functions for the serial interface connector.

Table of Contents