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CB494A Color LaserJet CP2025n Printer

HP Color LaserJet CP2025n (CB494A)

MFG Part Number: CB494A 20ppm black, 21ppm color, 600 x 600 DPI, Ethernet, USB 2.0

HP Color LaserJet CP2020 printer series service manual

CB494A Service ManualView Service Manual Buy CB494A Service ManualBuy Printed Manual

Manual contents and shortcuts

Product basics
Quick access to product information
Product comparison
Product features
Walkaround
Front and side view
Back view
Model and serial numbers
Supported operating systems
Supported product software
Printer driver
Software included with the product
Other software provided
System requirements
Connectivity
Supported network operating systems
Supported network protocols
Control panel
Control-panel walkaround
Control-panel menus
Use the menus
Reports menu
System setup menu
Service menu
Network config. menu
Paper and print media
Understand paper and print media use
Supported paper and print media sizes
Supported paper types and tray capacity
Special paper or print media guidelines
Load paper and print media
Manage and maintain
Information pages
HP ToolboxFX
Open HP ToolboxFX
Status
Alerts
Product information
Set password
Help
Device Settings
Network Settings
Other Links
Shop for Supplies
Embedded Web server
View the HP embedded Web server
Embedded Web server sections
HP Web Jetadmin
Manage supplies
HP fraud hotline and Web site
HP policy on non-HP print cartridges
Print-cartridge storage
Supplies life
Print when cartridge is out
Replace print cartridges
Memory and font DIMMs
Install memory and font DIMMs
Product memory
Clean the product
Check DIMM installation
Enable memory
Firmware updates
Theory of operation
Basic operation
Major product systems
Product components
Sequence of operation
Engine control system
DC controller
Low-voltage power supply
High-voltage power supply
Laser/scanner system
Laser failure detection
Image-formation system
Image-formation process
Latent-image formation stage
Developing stage
Transfer stage
Fusing stage
ITB cleaning stage
Drum cleaning stage
Pickup-and-feed system
Jam detection
Removal and replacement
Removal and replacement strategy
Electrostatic discharge
General cautions during removal and replacement
Required tools
Types of screws
After performing service
Before performing service
Post-service test
Print cartridges
Tray 2 cassette
Rollers and pads
Transfer roller
Paper-pickup roller
Separation roller
Paper-pickup roller (Tray 1)
Separation pad (Tray 1)
Components and major assemblies
Link guide
DIMM cover
Print-cartridge drawer
Intermediate transfer belt (ITB)
Paper-feed guide assembly
Rear-door stopper and link caps (simplex product)
Rear door (simplex product)
Rear door (duplex product)
Right cover
Rear-upper cover (duplex product)
Rear cover and feed guide (simplex product)
Rear-lower cover and rear-door links (duplex product)
Rear-door rib assembly (duplex product)
Upper-cover assembly
Control-panel assembly
Left cover
High-voltage power-supply PCA
Color-misregistration sensor assembly PCA
Right panel
Motors (M1 and M2)
DC controller PCA
Formatter PCA
Fan
Intermediate PCA
Right-front cover and power button
Power-supply sub PCA
Fuser motor assembly
Duplex reverse-drive assembly
Fuser
Paper-delivery assembly
Front-door assembly
Problem solve
Introduction
Menu map
Solve problems checklist
Troubleshooting process
Pretroubleshooting checklist
Power-on checks
Tools for troubleshooting
Print-quality troubleshooting tools
Problem-solve diagrams
Repetitive image defects
Interface ports
DC controller PCA
Major components
Solenoids, clutches, and sensors
Rollers
Motors and fans
PCAs
Timing diagram
Circuit diagram
Control-panel messages
Pages and reports
Configuration page
Diagnostic page
Supplies status page
Event log
Paper-handling problems
Clear jams
Image defects
General print quality issues
Solve issues with color documents
Solve connectivity problems
Solve direct-connection problems
Solve network problems
Service mode functions
Secondary service menu
Service menu
Engine resets
Performance problems
Print speeds
Parts and diagrams
Order parts, accessories, and supplies
Part numbers
Memory
Order directly from HP
Supplies
Cable and interface accessories
Paper-handling accessories
User-replaceable parts
Whole unit replacement
Screws
How to use the parts lists and diagrams
External components
Covers, panels, and doors
Internal components
Internal components (1 of 7)
Internal components (2 of 7)
Internal components (3 of 7)
Internal components (4 of 7)
Internal components (5 of 7)
Internal components, simplex products (6 of 7)
Internal components, duplex products (7 of 7)
Major assemblies
Cassette (Tray 2)
Fuser assembly
PCAs
Optional 250-sheet paper cassette
Alphabetical parts list
Numerical parts list
Service and support
Hewlett-Packard limited warranty statement
Customer self repair warranty service
Print cartridge limited warranty statement
Customer support
Repack the product
Service information form
Specifications
Physical specifications
Electrical specifications
Acoustic emissions
Environmental specifications
Regulatory information
FCC regulations
Declaration of conformity
Safety statements
Canadian DOC regulations
EMI statement (Korea)
Laser safety
Power cord statement (Japan)
VCCI statement (Japan)
Laser statement for Finland
Substances Table (China)
Certificate of Volatility
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