This service manual covers the Hewlett Packard HP Drafting Plotters, models C2858A and C2859A. These plotters are designed for professional drafting and design applications, offering precise output and reliable performance for a wide range of technical drawings. Their robust construction and advanced engineering ensure consistent results for demanding professional environments.

This manual provides comprehensive guidance for the maintenance, repair, and troubleshooting of your HP Drafting Plotters. It includes detailed technical specifications, step-by-step procedures for common service tasks, and essential safety information. By following the instructions within this manual, owners and technicians can effectively maintain the operational integrity and longevity of their C2858A and C2859A plotters.