HP DesignJet 500 / 500PS / 800 / 800PS Series Service Manual

• Covers 2000-era HP DesignJet 500 and 800 Series large-format printers. Includes 24-inch and 42-inch variants of the 500, 500PS, 800, and 800PS models.
• Official Hewlett-Packard publication (first edition, August 2000).
• Contains 96 system error code definitions. Covers 18 internal diagnostic service tests and provides a detailed usage-counter configuration guide.
• Features 286 pages of technical specifications, diagnostic flowcharts, and component-specific maintenance requirements.
• Serves as the primary factory reference for launch-build hardware and electronics modules.

Component Maintenance and Diagnostics

This HP DesignJet 500 and 800 Series service manual delivers deep-level technical documentation. It is engineered specifically for personnel managing large-format printer fleets. The document breaks down the boot-up sequence and error logging utilities. You will find critical fault categories ranging from system communication errors to printhead firing and paper-axis control. Chapter sections walk you through the entire ink delivery system. This includes start-up printhead priming. A functional overview of the power supply unit, formatter boards, and service stations is also provided. When interacting with internal electronics or the power supply, always verify that the unit is fully disconnected and capacitors are discharged prior to component inspection to ensure a safe workspace.

Calibration and System Specs

Service data features factory instructions for calibrating printheads, verifying line accuracy, and adjusting media advance settings. The printer firmware generates diagnostic output on scan-axis usage, paper-axis load, and cutter cycle percentages. Rely on these specific metrics for accurate preventive maintenance scheduling. Furthermore, the manual defines precise technical parameters for all internal electronics. It details the 64 MB formatter board requirements alongside the 450 W active power consumption rating. Understanding this factory documentation simplifies the management of complex component replacements and tricky error-code resolutions on the shop floor.