DIGITAL Matrix Printer LA400plus

This document is a user guide for the DIGITAL Matrix Printer LA400plus, detailing its installation, operation, maintenance, and troubleshooting. It is divided into two main parts: "Setting Up Your Printer" (for initial installation) and "User Guide" (for ongoing use).

Key aspects covered include:

• Installation: Step-by-step instructions for unpacking the printer, mounting the push tractor unit, starting it up, selecting the display language, installing the black ribbon cartridge, loading continuous forms, printing a self-test page, and connecting it to a host system (Digital or PC environment, including driver installation for Windows 3.x and 95).
• Printer Overview: Descriptions of the printer's physical parts, operator panel, indicators (state and paper path), operating states (Ready, Busy, Pause, Fault) and modes (Normal, Quiet, Tear/View, Set-Up, Hex-Dump, Adjustment).
• Paper Handling: Information on various paper types (continuous forms, cut sheets, envelopes, adhesive labels), different paper paths (Push-Front, Push-Rear, Manual, Pull, Push+Pull), and procedures for loading, parking, and ejecting paper.
• Operation & Configuration: How to use and customize Macros (pre-determined parameter sets), select print features (fonts, pitch), manage print tasks, reduce noise, and recover from faults. Detailed guidance on configuring printer settings via Set-Up mode, including interface type, protocols (DEC PPL2, IBM Proprinter XL24E, Epson ESC/P2), paper path at power-on, and user adjustments like bidirectional alignment and tear-off position.
• Maintenance: Instructions for cleaning the printer and replacing the ribbon cartridge.
• Troubleshooting: Common problems related to installation, printing, paper handling, and printer failure, along with suggested solutions.
• Appendices: Technical specifications (print speed, matrix, densities, spacing, connectivity, power, noise), supplies and options, LCD display messages, and quick references for various protocols and character sets.