HP LaserJet 4M Plus Service Manual

This manual uses the following conventions:

• Unless specifically stated otherwise, information applies to the following printer models:
  • HP LaserJet 4M Plus
• Most procedures are combined for all printers, except where they differ substantially.
• A detailed matrix of printer features is followed by general information on the printer model.
• Specifications, major assembly locations, safety and regulatory information are all included.
• The chapter ends with a discussion of the service and repair philosophy.

The topics covered in the manual are as follows:

• 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