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HP Color LaserJet Pro MFP M377, M452, M477 Troubleshooting and Repair Manual

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HP Color LaserJet Pro MFP M377, M452, M477 Troubleshooting and Repair Manual


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SKU: 9816 Category: Manuals



1 Theory of operation
For additional service and support
Basic operation
Formatter-control system
Engine-control system
Engine laser/scanner system
Engine pickup, feed, and delivery system
Input accessories
Scanning and image capture system
Document feeder system
Fax functions and operation (fax models only

2 Solve problems
For additional service and support
Troubleshooting process
Tools for troubleshooting
Solve image quality problems
Clean the printer
Solve paper-handling problems
Prevent paper jams
Clear paper jams
Solve performance problems
Solve connectivity problems
Service mode functions
Solve fax problems (fax models only)
Solve email problems
Update the firmware

Appendix A Certificates of volatility
Certificates of volatility



1 Removal and replacement 
For additional service and support
Removal and replacement strategy
Service approach
Order parts by authorized service providers
Removal and replacement procedures

2 Parts and diagrams 
For additional service and support
Assembly locations
Order parts, accessories, and supplies
How to use the parts lists and diagrams
Parts and diagrams: Document feeder and scanner whole units
Parts and diagrams: Covers and control panels
Parts and diagrams: Internal components
Parts and diagrams: 550-sheet paper feeder
Alphabetical parts list
Numerical parts list


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We typically connect to your computer, which should be on the same network as the copier. This allows us to access the copier's Web Interface for more effective troubleshooting and to adjust any settings that may require modification or configuration.


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