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D640 Cut Sheet Printer
Service Manual




Hewlett-Packard Company
C5620-90028
0699
D640 Printer Service Manual




WARNING!
This document is intended for service-trained personnel who are aware of the hazards
involved. Procedures in this manual may expose the service person to electrical shock
hazards that could cause serious personal injury or death, and to mechanical hazards
from moving parts that may cause serious injury.

Notice
Hewlett-Packard makes no warranty of any kind with regard to this material, including,
but not limited to, the implied warranties of merchantability and fitness for a particular
purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental
or consequential damages in connection with the furnishing, performance, or use of this
material.
Hewlett-Packard assumes no responsibility for the use or reliability of its software on
equipment that is not furnished by Hewlett-Packard.
This document contains proprietary information which is protected by copyright. All
rights are reserved. No part of this document may be photocopied, reproduced, or
translated to another language without the prior written consent of Hewlett-Packard
Company. The information contained in this document is subject to change without
notice.

Printing History
The dates on the title page change only when a new edition is published.
Edition 2.0. . . . . . . . . . . . . . .February 1998
Edition 2.1. . . . . . . . . . . . . . .May 1998 (online only)
Edition 2.2. . . . . . . . . . . . . . .June 1998 (online only)
Edition 2.3. . . . . . . . . . . . . . .August 1998 (online only)
Edition 3.0. . . . . . . . . . . . . . .September 1998 (online only)
Edition 3.1. . . . . . . . . . . . . . .October 1998 (online only)
Edition 3.2. . . . . . . . . . . . . . .January 1999 (online only)
Edition 3.3. . . . . . . . . . . . . . .April 1999 (online only)
Edition 3.4. . . . . . . . . . . . . . .June 1999 (online only)
Copyright