HP D640 Service Manual

This Manual uses the following conventions:

• Unless specifically stated otherwise, information applies to printer model HP D640.
• Most procedures are combined for all printers,except where they differ substantially.
• A detailed matrix of printer features is followed by general information on the printer model.
• Specifications, major assembley locations, safety and regulatory information are all included.
• The chapter ends with a discussion of the service and repair philosophy.

Topics covered in the manual are as follows:

1. Step-by-step procedures for replacing all printers Field Replaceable Units (FRUs)
2. Service Checkpoints
3. Service Modes
4. Printer Driver Installation
5. Product Information
6. Operating Requirements/ Procedures
7. Installation and Configuration
8. Manitenance
9. Function Overview
10. Removal and Replacements of (FRUs)
11. Troubleshooting