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HEWLETT PACKARD SERVICE MANUAL HP C2858A/C2859A DRAFTING PLOTTERS SERIAL NUMBERS This manual applies directly to HP C2858A and C2859A plotters with serial numbers prefixed USA. For additional information about serial numbers, see SERIAL NUMBER INFORMATION in Chapter 1. EHEWLETT-PACKARD COMPANY 1993 16399 W. BERNARDO DRIVE SAN DIEGO, CALIFORNIA 92127-1899 C2858-90000 Printed: March 1993 Using this Manual This service manual contains information necessary to test, adjust, and service the Hewlett-Packard Models C2858A and C2859A DesignJet 650C plotters. It is designed to help you easily find the cause of a C2858A/C2859A hardware problem and to perform the necessary repairs and adjustments to get the plotters into proper operating condition. Service strategy for this manual is to support the products to the field replaceable unit. For ease of reference, this manual is divided into ten chapters as follows: Chapter 1 Product Information Chapter 2 Site Planning and Requirements Chapter 3 Installation and Configuration Chapter 4 Preventive Maintenance Chapter 5 Functional Overview Chapter 6 Removal and Replacement Chapter 7 Adjustments/Calibrations Chapter 8 Troubleshooting Chapter 9 Product History Chapter 10 Parts and Diagrams Chapter 1. Product Information This chapter contains general information regarding the C2858A and C2859A DesignJet 650C plotters. A description of the plotters features, options and accessories, performance characteristics, and serial number information, is included in this chapter. Chapter 2. Site Planning and Requirements Included in this chapter is pre-installation information regarding the physical, environmental and electrical requirements for proper installation and operation of the plotters. Chapter 3. Installation and Configuration In this chapter you will find installation, configuration and plotter verification procedures. Included is information on ink cartridge and media loading, accessing the front-panel menu structures for plotter configuration and instructions on how to perform built-in demonstration plots to verify proper plotter operation. Using this Manual iii Chapter 4. Preventive Maintenance Chapter 4 contains information you will need to keep the plotters in their best operating condition. Included are procedures that can be performed by the user. Chapter 5. Functional Overview This chapter contains a simplified description of the plotter circuits and mechanical functions. Chapter 6. Removal and Replacement Procedures for the removal and replacement of field replaceable units are provided in this chapter along with electrostatic discharge information and recommended tools to perform repairs. Chapter 7. Adjustments Here you will find descriptions of any adjustments and calibrations that may be required to return the plotter to proper operating condition. Chapter 8. Troubleshooting Included in Chapter 8 are service tests, error codes and messages, and diagnostic information to assist you in troublesho