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CF081A LaserJet enterprise 500 color printer m551n

HP LaserJet enterprise 500 color printer m551n (CF081A)

MFG Part Number: CF081A 32ppm black, 32ppm color, Ethernet, USB 2.0

HP Color LaserJet Enterprise 500 series service manual

CF081A Service ManualView Service Manual Buy CF081A Service ManualBuy Printed Manual

Manual contents and shortcuts

Theory of operation
Basic operation
Sequence of operation
Engine control system
DC controller
High voltage power supply
Low voltage power supply
Fuser control
Laser/scanner system
Image formation system
Image formation process
Print cartridge
Developing roller engagement and disengagement
Intermediate transfer belt (ITB) unit
Calibration
Pickup, feed, and delivery system
Pickup-and-feed unit
Fusing and delivery unit
Duplexing unit (duplex models)
Jam detection
Optional paper feeder
Paper-feeder pickup and feed operation
Paper size detection and cassette presence detection
Paper feeder cassette lift operation
Paper feeder presence detection
Paper-feeder multiple feed prevention
Paper feeder jam detection
Removal and replacement
Introduction
Removal and replacement strategy
Cautions during removal and replacement
Electrostatic discharge
Required tools
Service approach
After performing service
Before performing service
Post service test
Parts removal order
Customer self repair (CSR) components
Print cartridges
Duplex reverse guide
Toner collection unit
Formatter PCA
Disk drives
Tray cassette
Fuser
Pickup roller (Tray 1)
Pickup roller (Tray 2)
Pickup and feed rollers (Tray 3)
Separation roller (Tray 2)
Secondary transfer roller
Secondary transfer assembly
Intermediate transfer belt (ITB)
Right door (optional paper feeder)
Covers
Identification and location
Front door assembly
Right door assembly
Right rear cover
Left cover
Left bottom cover
Left bottom handle
Hardware integration pocket (HIP) (dn and xh models only)
Control panel assembly
Right front cover
Front top cover
Rear cover and upper rear cover
Rear top cover
Right bottom handle
Rear bottom handle
Internal assemblies
Delivery fan, cartridge fan, and environmental sensor
Toner collection sensor
Residual toner feed motor
Registration density (RD) sensor assembly
Power supply fan and fan duct
Registration assembly
Lower pickup guide
Interconnect board (ICB)
DC controller PCA and tray
Low voltage power supply
High voltage power supply lower (HVPS-D)
Developing disengagement motor
Pickup motor
Lifter drive assembly
Automatic close assembly
Cassette pickup drive assembly
Cassette pickup assembly
Laser/scanner assembly (Y/M)
Laser/scanner assembly (C/Bk)
High voltage power supply upper (HVPS-T)
Drum motor 1
Drum motor 2 or drum motor 3
Fuser motor
Main drive assembly
Fuser drive assembly
Delivery assembly
Duplex drive assembly
Optional paper feeder assembly (Tray 3)
Drawer connector
Solve problems
Solve problems checklist
Menu map
Current settings pages
Preboot menu options
Troubleshooting process
Determine the problem source
Power subsystem
Tools for troubleshooting
Individual component diagnostics
Diagrams
Internal print-quality test pages
Print quality troubleshooting tools
Control panel menus
Interpret control panel messages, status-alert messages, and event code errors
Event log messages
Clear jams
Common causes of jams
Jam locations
Clear jams in Tray 1
Clear jams in the output bin area
Clear jams in Tray 2
Clear jams in the right door
Clear jams in the optional 500-sheet paper and heavy media tray (Tray 3)
Clear jams in the lower right door (Tray 3)
Jam causes and solutions
Change jam recovery
Solve paper handling problems
Paper does not feed automatically
Product feeds multiple sheets
Use manual print modes
Solve image quality problems
Image defects table
Clean the product
Clean the paper path
Solve performance problems
Solve connectivity problems
Solve direct connect problems
Solve network problems
Service mode functions
Service menu
Product resets
Clean Disk and Partial Clean functions
Preboot menu options
Product updates
Determine the installed revision of firmware
Perform a firmware upgrade
Parts and diagrams
Order parts, accessories, and supplies
Part numbers
Accessories
Memory
Print cartridges and toner collection unit
Customer self repair (CSR) and service kits
How to use the parts lists and diagrams
Screws
Covers
Right-door assembly
Internal assemblies
Internal assemblies (1 of 5)
Internal assemblies (2 of 5)
Internal assemblies (3 of 5)
Internal assemblies (4 of 5)
Internal assemblies (5 of 5)
Cassette
Paper pickup assembly
PCAs
Assessories
1 x 500-sheet paper feeder
Paper feeder covers
Paper feeder main body
Paper feeder cassette
Paper feeder PCA
Alphabetical parts list
Numerical parts list
Service and support
Hewlett-Packard limited warranty statement
HP's Premium Protection Warranty: LaserJet print cartridge limited warranty statement
Color LaserJet Fuser Kit, Toner Collection Unit, and Transfer Kit Limited Warranty Statement
Data stored on the print cartridge
End User License Agreement
OpenSSL
Customer self-repair warranty service
Customer support
Product specifications
Environmental specifications
Physical specifications
Power consumption, electrical specifications, and acoustic emissions
Regulatory information
FCC regulations
Environmental product stewardship program
HP LaserJet print supplies
Ozone production
Paper use
Plastics
Power consumption
Protecting the environment
Return and recycling instructions
Material restrictions
Paper
Chemical substances
Disposal of waste equipment by users in private households in the European Union
For more information
Material Safety Data Sheet (MSDS)
Declaration of conformity
Certificate of volatility
Types of memory
Safety statements
Canadian DOC regulations
Laser safety
Power cord instructions
Power cord statement (Japan)
VCCI statement (Japan)
EMC statement (Korea)
Laser statement for Finland
GS statement (Germany)
Restriction on Hazardous Substances statement (Turkey)
Restriction on Hazardous Substances statement (Ukraine)
Substances Table (China)
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