HP LaserJet 4 4M 4Plus 4M Plus Service Manual

This manual provides comprehensive information on the HP LaserJet4 4M/4Plus/4MPlus printer models. It includes a detailed matrix of printer features, as well as general information on the four printer models. The manual covers specifications, major assembly locations, safety and regulatory information, and the service and repair philosophy. Topics covered in the manual include:

• Step-by-step procedures for replacing all printers Field Replaceable Units (FRUs)
• Service Checkpoints
• Service Modes
• Printer Driver Installation
• Product Information
• Operating Requirements/Procedures
• Installation and Configuration
• Maintenance
• Function Overview
• Removal and Replacements of (FRUs)
• Troubleshooting