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HP Color LaserJet Printers
HP Color LaserJet 8550gn plus Parts
HP Color LaserJet 8550gn plus printer (C9739A)
MFG Part Number:
C9739A
24ppm black, 6ppm color, 600 x 600 DPI
Printer Support Links
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Service Diagrams
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Partsurfer Tool
HP Color LaserJet 8500/8550 series service manual
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Manual contents and shortcuts
Product information
Introduction
Printer features
Specifications
Site requirements
Media requirements
Identification (model and serial numbers)
Printer Information
Safety information
Service approach
Introduction
Parts and supplies
Ordering
Technical assistance
Warranty
Operational overview
Verifying package contents
Verifying the cables are installed
Connecting the printer to the network
Changing the printer control panel overlay
Printer control panel layout
Menu maps
Selecting the display language
Installing the consumables
Configuring input trays
Verifying the printer is installed correctly
Verifying DIMM installation
Duplex registration (HP Color LaserJet 8550)
Booklet printing
HP TonerGauge (HP Color LaserJet 8550)
Printer maintenance
Cleaning procedures
Cleaning the post charger
Cleaning the density sensor
Cleaning the transfer charger
Printer consumables
Theory of operation
Introduction
Color theory
Image formation
Consumable detection mechanisms
Electrical systems
Mechanical systems
Paper path
Printer timing
2,000-sheet input unit
Duplexer
EPH controller board
Multi-bin mailbox
3,000-sheet stapler/stacker
Removal and replacement
Introduction
Maintenance units
Doors and covers
Top assemblies
Front assemblies
Left assemblies
Right assemblies
Rear assemblies
2,000-sheet input unit
Multi-bin mailbox
3,000-sheet stapler/stacker and 3,000-sheet stacker
Troubleshooting
Pre-troubleshooting checklist
Printer message troubleshooting
Aids to troubleshooting
Paper path troubleshooting
Image formation troubleshooting
Image defects troubleshooting
Color balance adjustment
Repetitive defects troubleshooting
Repetitive defects troubleshooting
2,000-sheet input unit troubleshooting
Multi-bin mailbox troubleshooting
3,000-sheet stapler/stacker troubleshooting
Communications troubleshooting
Diagrams
Parts and diagrams
Ordering parts
Overview
Illustrations and parts lists
Numerical parts list
Alphabetical parts list
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