Manuals and User Guides for Xerox Phaser 4 400 Laser Printer. We have 16 Xerox Phaser 4 400 Laser Printer manuals available for free PDF download: Service Manual, Troubleshooting Manual, Paper Manual, Setup And Quick Reference Manual, Support Manual, Setup Manual, Manual, Evaluator Manual, Maintenance Manual, Driver Installation Instruction, Specifications, Specification Sheet