2002 Xerox Phaser 840/850/860/8200 Color Printer (P/N 071-0723-00)

This 287-page manual (P/N 071-0723-00) is the definitive resource for Phaser 840, 850, 860, and 8200 color printers. It outlines the exact mechanical architecture and electronic schematics required for accurate bench diagnostics.

Core Contents & Specifications

• 47 exploded-view diagrams mapping out the printhead, drum/transfix assembly, and the cap/wipe/purge carriage drive.
• 39 fault-code tables to effectively troubleshoot 2,000-series system errors down to 31,000-series motor faults.
• In-depth documentation of BIST and POST sequence diagnostics.
• Circuit board layouts, print engine sensor maps, and complete I2C bus architecture details.

Workshop Utility and Diagnostics

Instead of generic overviews, this documentation provides the highly specific data technicians need to quickly isolate component failures. You will find precise factory baselines, including 12.5 ohms resistance for the X-axis motor and 1000W warm-up power consumption ratings. The manual clearly defines auto-sensed line voltages (87–264 VAC) and processor speeds specific to the PowerPC architecture (133–250 MHz). It also details the factory protocols for identifying and accessing key field replacement units.

Because this equipment involves high-voltage power supplies and complex mechanics, always ensure you follow standard shop safety protocols and consult a certified technician prior to servicing these systems.