DEClaser 2200 Printer Service Guide

This document is the DEClaser 2200 Printer Service Guide, published in September 1990 by Digital Equipment Corporation. It is primarily intended for Customer Services Engineers (CSEs) to assist them in repairing and servicing the DEClaser 2200 printer in a field environment, emphasizing that specific training courses are required before attempting repairs.

The guide covers:

1. Physical and Functional Description: Details the printer's components (internal and external views), media input and output mechanisms (cassettes, manual feeders, duplex unit), paper paths, jam detection circuits, and electronic architecture including block diagrams of various control boards and power supply assemblies (HVPSA, LVPSA). It highlights features like simplex/duplex printing, font cartridges, and serial/parallel interfaces.
2. Control Panel Operation: Explains the use of the control panel keys and indicators, navigation of setup menus, and the utility of onboard test patterns (Test Print A, Font List, Test Print B, Engine Test Print) for diagnostic purposes. It also describes the "Control Representation (Character Dump) Mode" for printing raw data.
3. Troubleshooting: Provides comprehensive Fault Isolation Procedures (FIPs) for diagnosing and resolving common printer malfunctions. This includes power-up faults, various control panel messages (status, operator call, functional, and service messages), paper jam and feed faults (categorized by four distinct paper path areas), and detailed guidance on troubleshooting image defects.
4. Removal and Replacement Procedures and Recommended Spares List (RSL): Lists all recommended spare parts (FRUs) and provides step-by-step instructions for disassembling and replacing components such as covers, various electronic boards (I/O, Video Control, DC Control, HVPSA, LVPSA, RAM Expansion), scanner, fixing unit, motors, rollers, and sensors.

Additionally, the document includes Appendices with general information, technical specifications, and maintenance guidelines:

• General Information (Appendix A): Covers envelope feeder interface signals, macro numbers for printer environment settings, and detailed interface interconnections (parallel and serial ports) including pin assignments and compatible cables/adapters.
• Specifications (Appendix B): Outlines print media specifications (paper types, handling, storage, acceptable sizes, envelopes, transparencies, labels) and the printer's operational specifications (printing method, resolution, speed, warm-up time, capacities, built-in fonts, memory, noise levels, and physical dimensions).
• Total Call Concept (TCC) (Appendix C): Describes a holistic maintenance philosophy, including maintaining a service log, performing 100,000-page preventive maintenance (listing specific FRUs to replace), and procedures for internal and external cleaning and inspection.
• Optional Envelope Feeder (Appendix D): Provides a physical description, operational details, and troubleshooting procedures specific to the optional envelope feeder accessory.

The guide also emphasizes safety information, particularly concerning ozone gas emissions (requiring regular ozone filter replacement) and laser safety (noting the DEClaser 2200 is a Class 1 laser product with an enclosed beam). It lists specialized tools required for service.