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HP Color LaserJet 4700 series service manual

Q7492A Service Manual View Service Manual

Table of Contents

Product information
Printer configurations
HP Color LaserJet 4700 (part number Q7491A)
HP Color LaserJet 4700dn (part number Q7493A)
HP Color LaserJet 4700dtn (part number Q7494A)
HP Color LaserJet 4700n (part number Q7492A)
HP Color LaserJet 4700ph+ (part number Q7495A)
Printer features
Printer walkaround
Identification, site requirements, and specifications
Model and serial numbers
Power and regulatory label
Site requirements
Electrical specifications
Acoustic emissions
Environmental specifications
Supply storage requirements
Skew specifications
Media specifications
Printing and paper storage environment
Supported types and sizes of print media
Media to avoid
Media that can damage the printer
Printing on special media
Glossy paper
Colored paper
Heavy paper
HP LaserJet Tough paper
Preprinted forms and letterhead
Recycled paper
Weight equivalence table
Environmental Product Stewardship program
HP LaserJet printing supplies
Ozone production
Power consumption
Protecting the environment
Disposal of waste equipment by users in private households in the European Union
For more information
Material safety data sheet
Hewlett-Packard Limited Warranty Statement
Print Cartridge Limited Warranty Statement
Country/region-specific safety statements
Canadian DOC statement
Japanese cordset statement
Japanese VCCI statement
Laser safety statement
Korean EMI statement
Taiwan safety statement
Finnish laser statement
Declaration of conformity (HP Color LaserJet 4700)
Service approach
Service approach
Parts and supplies
Exchange program
Ordering directly through the embedded Web server (for printers with network connections)
Ordering parts, supplies, and accessories over the Internet
World Wide Web
HP Service Parts Information
HP available services
Ordering related documentation and software
Installation and configuration
What ships in the box
Unpacking the printer
Loading detectable standard-sized media into Tray 2 and optional trays
Connecting power
Installing a new control panel label
Testing the printer operation
Sleep delay
Disabling/enabling sleep mode
Setting sleep delay
Connecting to a computer
Parallel configuration
USB configuration
Auxiliary connection configuration
HP Jetdirect print servers
Wireless printing
Printer software
Installing the printing system software
Uninstalling the software
Software for networks
Printer drivers
Additional drivers
Supported printer drivers
Gaining access to the printer drivers
Printer-driver Help (Windows)
Select the correct printer driver
Printer drivers for Macintosh computers
Gaining access to the printer drivers
Supported printer drivers
Software for Macintosh computers
Installing Macintosh printing system software for networks
Installing Macintosh printing system software for direct connections (USB)
To remove software from Macintosh operating systems
Network configuration
Configuring TCP/IP parameters
Setting network security on the printer
Locking the control panel
Cleaning the printer and accessories
Cleaning spilled toner
Performing preventive maintenance
Managing the print cartridge
HP print cartridges
Non-HP print cartridges
Print cartridge authentication
Print cartridge life expectancy
Print cartridge storage
Checking the supply level
Approximate replacement intervals for supplies
ETB life
Changing print cartridges
Replacing a print cartridge
To replace the print cartridge
Replacing supplies
Locating supplies
Supply replacement guidelines
Making room around the printer for replacing supplies
Replacing the stapler cartridge
Replacing the ETB
Replacing the fuser
Printer memory and fonts
Installing a hard drive, memory, and fonts
Installing a hard drive
Installing DDR memory DIMMs
Installing a flash memory card
Enabling memory
Installing an HP Jetdirect print server card
To install an HP Jetdirect print server card
Setting the real-time clock
Setting the date and time
Setting the wake time
Setting the sleep delay
Theory of operation
Basic operation
Operation sequence
Power on sequence
Internal components
Formatter system
Sleep mode
Image Resolution Enhancement technology (REt)
DIMM slots
Printer memory
Control panel
PJL overview
Engine control system
DC controller PCB
Motors, fans, and environment sensor
Failure detection
Low-voltage power supply
Heater temperature control
Temperature protective function
Temperature failure detection
High-voltage power supply
Video interface control
Laser/scanner system
Laser control
Scanner control
Image formation system
Image formation process
Electrostatic latent image formation block
Development block
Transfer block
Fusing block
Cleaning block
Print cartridges
Cartridge presence detection
ETB (electrostatic transfer/transport belt)
Transfer roller (Y, C, M) engagement/disengagement detection
Transfer roller engagement/disengagement control
Calibration and cleaning
Color misregistration detection
Image stabilization control
Pickup/feed system
Pickup/feed unit
Fusing and delivery block
Duplex feed unit
500-sheet paper feeder
Pickup and feed operations
Offset mode
Stacker mode
Staple mode
Removal and replacement
Removal and replacement strategy
Caution regarding electrostatic discharge (ESD)
Repair notices
Required tools
Types of screws
Parts-removal tree
User-replaceable parts
Print cartridges and ETB
Tray 1 pickup roller and separation pad
Tray 2-x separation roller
Tray 2-x feed and pickup rollers
Compact flash
DDR memory DIMMs
Hard drive
HP Jetdirect print server card
Installing a new control panel label
Covers and external components
Multipurpose tray (Tray 1)
Paper tray (Tray 2)
Front cover
Duplex cover
Face down tray assembly
Top cover
Right cover
Left cover
Rear cover
Control panel
Main assemblies
Disengaging drive assembly
Main drive assembly
Pickup motor assembly
Lifter drive assembly
Delivery assembly
Paper feed assembly
Fuser drive assembly
Laser/scanner assembly
Motors and fans
Disengaging drive motor
Drum drive motors (Y/C/M/K)
Power supply fan/shroud (Fan 4)
Delivery fan/shroud (Fan 3)
Cartridge fan/shroud (Fan 2)
Upper exhaust fan (Fan 1)
Sensors and switches
Environment sensor
Power switch assembly
DC controller PCB
Low-voltage power supply PCB
Memory controller PCB
E label memory contacts and cable
High-voltage power supply PCB
High-voltage contacts
Toner level detection PCB
500-sheet paper feeder
500-sheet paper feeder rear cover
500-sheet paper feeder right cover
500-sheet paper feeder left cover
500-sheet paper feeder front cover
500-sheet paper pickup drive assembly
500-sheet paper feeder lifter drive assembly
500-sheet paper feeder pickup rollers
Remove the stapler/stacker from the printer
Output tray
Staple cartridge left cover
Left cover
Top cover
Right cover
Staple cartridge
Stapler/stacker PCB
Stapler/stacker unit assembly 24v 2.5 amp
Duplex tray
Top duplexing assembly
Troubleshooting process
Pre-troubleshooting checklist
Troubleshooting checklist
Troubleshooting flowchart
Power-on checks
Control panel messages
Critical error messages
Error messages
Message listing
Warning messages
Formatter lights
Embedded HP Jetdirect LEDs
Heartbeat LED
Accessory lights
Interpreting stapler/stacker indicator light codes
Replacement parts configuration
Formatter (new or previously installed in another printer)
Formatter and DC controller
DC controller (new or previously installed in another printer)
Formatter and firmware compact flash
Paper path troubleshooting
Jam locations
Jam locations by error message
Jam recovery
Avoiding jams
Persistent jams
Solving repeated jams
Common causes of paper jams
Clearing jams
Paper transport troubleshooting
Media is wrinkled or folded
Multiple pages are fed
Paper is skewed
Image formation troubleshooting
Print quality problems associated with media
Print quality troubleshooting tools
Overhead transparency defects
Print quality problems that are associated with jams
Print quality problems that are associated with the environment
Print quality troubleshooting pages
Understanding color variations
Color selection process
Matching colors
Using color
Color options
Adjusting color balance
Image defects
Light image
Dark image
Light color
Completely blank image
Dark color
All black or solid color
Dirt on the front or back of the paper
Dots in vertical lines
Vertical lines
White vertical lines
Horizontal lines
Missing color
White horizontal lines
Blank spots
Poor fusing
Distortion or blurring
Misplaced image
Repetitive defects troubleshooting
Interface troubleshooting
AUTOEXEC.BAT standard configurations
Communications checks
Printer Job Language (PJL) commands
Changing printer control panel configuration settings
Job held timeout
Job storage limit
Color/black mix
Show IP address
Tray behavior options
Sleep delay
Wake time
Display brightness
Clearable warnings
Auto continue
Order at
Replace supplies
Color supply out
Jam recovery
RAM disk
Using the printer control panel in shared environments
Control panel troubleshooting
Information menu
Printing a menu map
Paper handling menu
Configure device menu
Diagnostics menu
Service menu
Tools for troubleshooting
Using the embedded Web server
Configuration pages
Print the supplies status page
Print the usage page
Print the demo page
Print the file directory page
Print the PCL font list page
Print the PS font list page
Print the RGB samples page
Print the CMYK samples page
LED diagnostics
Engine diagnostics
Individual diagnostic tests
Test pages
Engine test page
Formatter test page
Engine resets
Cold reset
NVRAM initialization
Calibration bypass
Full Calibrate Now
Hard disk initialization
Quick Calibrate Now
Service menu
Using the Service menu
Main parts
Motors and fans
DC controller PCB
General timing chart
General circuit diagrams
Parts and diagrams
Ordering parts and supplies
Customer support
Parts that wear
Supplies and accessories
Common fasteners
User-replaceable parts
Assembly locations
Major components
External covers and panels
Internal components
Alphabetical parts list
Numerical parts list

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