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Q7518A Color LaserJet 4730x multifunction printer

HP Color LaserJet 4730x multifunction printer (Q7518A)

30ppm black, 30ppm color, 600 x 600 DPI, Bidirectional IEEE 1284C-compliant parallel port, USB 2.0 port (compatible with USB 2.0 specifications), host USB accessory port, network connection (HP Jetdirect Fast Ethernet Embedded Print Server),

MFG Part Number: Q7518A Unit Availability
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HP Color LaserJet 4730 MFP service manual

Q7518A Service Manual View Service Manual

Table of Contents

Product information
HP Color LaserJet 4730mfp series configurations
HP Color LaserJet 4730mfp (Q7517A)
HP Color LaserJet 4730x mfp (Q7518A)
HP Color LaserJet 4730xs mfp (Q7519A)
HP Color LaserJet 4730xm mfp (Q7520A)
Features and benefits of the MFP
Functions
Memory
Resolution
Speed and throughput
User interface
Copying and sending
Language and fonts
Paper handling
Print cartridges
Connectivity
Environmental features
Security features
Minimum system requirements for e-mail functionality
MFP parts and accessories
MFP parts
Interface ports
Model and serial numbers
Accessories and supplies
Parts compatibility with other HP LaserJet products
Moving the MFP
Site requirements
Environmental specifications
Physical specifications
MFP specifications
Electrical specifications
Acoustic specifications
Image area
Skew specifications
Media specifications
Printing and paper storage environment
Envelopes
Labels
Transparencies
Supported types and sizes of print media
Printing on special media
Glossy paper
Transparencies
Colored paper
Envelopes
Labels
Heavy paper
HP LaserJet Tough paper
Preprinted forms and letterhead
Recycled paper
Weight equivalence table
Regulatory information
FCC and Telecom regulations
Environmental Product Stewardship program
Country/region-specific safety statements
Declaration of conformity (HP Color LaserJet 4730mfp)
Service approach
Service approach
Parts and supplies
Exchange program
Ordering directly through the embedded Web server (for MFPs with network connections)
Ordering parts, supplies, and accessories over the Internet
Supplies
World Wide Web
HP Service Parts Information
HP available services
Hewlett-Packard Limited Warranty Statement
Print Cartridge Limited Warranty Statement
HP maintenance agreements
Installation and maintenance kit replacement
Next business day
Priority Onsite Service
Installation and configuration
Installation checklist
Unpacking the MFP
Loading detectable standard-sized media into Tray 2, 3, and 4
Loading undetectable standard-sized media into Tray 2, 3, and 4
Connecting power
Installing print cartridges
Installing a new control panel overlay
Testing the MFP operation
Sleep delay
Disabling/enabling Sleep mode
Setting Sleep delay
Connecting to a computer or network
Network connection
Parallel connection
Fax connection
Printer software
Software
Installing the printing system software
Uninstalling the software
Software for networks
Utilities
Printer drivers
Additional drivers
Supported printer drivers
Printer driver Help (Windows)
Selecting the correct printer driver
Gaining access to Windows printer drivers
Printer drivers for Macintosh computers
Gaining access to Macintosh printer drivers
Supported Macintosh 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
Security features
Foreign Interface Harness (FIH)
Securing the embedded Web server
Secure Disk Erase
DSS authentication
Job storage features
Locking the control panel menus
Locking the formatter cage
Optional output and input devices
Maintenance
Using the cleaning page
Cleaning the MFP
Cleaning the ADF delivery system
Cleaning the outside of the MFP
Cleaning the scanner glass
Cleaning the touchscreen
Cleaning the mylar strip
Calibrating the scanner
To print the calibration target
Performing preventive maintenance
ADF maintenance kit
Managing print cartridges
Changing print cartridges
HP print cartridges
Non-HP print cartridges
Print cartridge authentication
Checking the supply level
Print cartridge life expectancy
Print cartridge storage
Approximate replacement intervals for supplies
ETB life under different circumstances
Changing print cartridges
Replacing print cartridges
Replacing supplies
Locating supplies
Supply replacement guidelines
Making room around the MFP for replacing supplies
Replacing the ETB
Replacing the fuser
Replacing the stapler cartridge
MFP memory and fonts
Installing memory and fonts
Installing DDR memory DIMMs
Installing a flash memory card
Enabling memory
Setting the real-time clock
Setting the date and time
Setting the wake time
Setting the Sleep delay
Configuring and verifying an IP address
Changing an IP address
TCP/IP assignment
Verifying the TCP/IP configuration
Upgrading the firmware
Determining the current level of firmware
Downloading the new firmware from the HP Web site
Transferring the new firmware to the MFP
Upgrading the HP Jetdirect firmware
Theory of operation
Basic operation
Operation sequence
Operation sequence (scanner)
Power on sequence
Formatter system
Sleep mode
Image Resolution Enhancement technology (REt)
Input/Output
DIMM slots
MFP memory
Control panel
PJL overview
PML
Scanner interface
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
Sub power supply assembly
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
Jam detection
Scanner system
Electrical system
Motors and fans
Optical assembly
ADF feed system
ADF jam
ADF jam detection
ADF pickup jam
Residual media jam
ADF cover-open jam
ADF open jam
2 X 500-sheet paper feeder
Pickup and feed operations
2 X 500-sheet jam detection
Output devices
IPTU
3-bin mailbox
Stapler/stacker
Removal and replacement
Removal and replacement strategy
Required tools
Before performing service
Removal and replacement sequencing
After completing service
Screws used in the MFP
User-replaceable parts
Print cartridges
Control panel
Control panel overlays
Intermediate paper transfer unit (IPTU)
Stapler/stacker
Staple cartridge
3-bin mailbox
ETB assembly, removing
MP tray pickup assembly
Trays 2, 3, and 4
ADF input tray
ADF pickup and feed rollers
ADF separation pad
ADF delivery guide (clear mylar sheet)
Face-down tray assembly
Fuser
Tray 2, 3, or 4 pickup and feed rollers
MP tray pickup roller
Tray 2 separation roller
Tray 3 or 4 separation rollers
Scanner filter cover and scanner filter
ADF hinge flap
Formatter board
Hard drive
DIMMs
Flash memory card (firmware)
Fax accessory
Covers, doors, and external panels
Delivery cover assembly
Face-down tray assembly
Rear cover assembly
Left cover assembly
Front cover assembly
Tray 1
Right lower cover assembly
Delivery upper cover assembly
Left rear inner cover assembly
Right front inner lower cover assembly
Right front inner upper cover assembly
Right rear inner cover assembly
Main assembly (internal assemblies)
Paper feed assembly
Pickup drive assembly
Lifter drive assembly
Disengaging drive assembly
Main drive assembly
Rail holder assembly
Rail guide assembly
Formatter case assembly
Laser/scanner components
Duplexing assembly
Delivery assembly
Fuser drive assembly
Motors and fans
Drum motors
Fuser motor
Fuser pressure release motor
Developing disengaging motor
Pickup motor assembly
Power supply fan
Cartridge fan
Sub power supply fan
Delivery fan
Control fan 1
Control fan 2
Rear exhaust fan
ETB fan
PCBs
DC controller PCB
High-voltage power supply PCB
Toner level PCB
Low-voltage power supply PCB
Memory controller PCB
Sub power supply PCB
Fan drive PCB
Switches, contacts, and sensors
High-voltage contacts
E-label memory contacts and cable
Power switch assembly
Door-open switch assembly
Environment sensor
ADF and scanner components
ADF assembly
Top covers
Scanner assembly
Scanner left cover
Scanner right cover
Scanner glass
Optical assembly
Scanner bulb
Inverter PCB
Scanner fan
Scanner home position sensor
Scanner controller PCB
ADF components
ADF output bin extension
ADF white mylar backing
ADF front cover
ADF rear cover
ADF left side cover
ADF jam access cover and latch
ADF leading-edge and paper-present sensors
ADF hinges
2 X 500-sheet paper input assembly components
Rear cover
Right front cover
Left front cover
Right cover
Left cover
Right lower cover assembly
Pickup motor assembly
Upper lifter drive assembly
Lower lifter drive assembly
Lower pickup drive assembly
Upper pickup drive assembly
Upper pickup assembly
Lower pickup assembly
Paper feeder door-open switch
Paper feeder driver PCB
Intermediate paper transfer unit (IPTU)
Front cover and front door
IPTU rear cover
Connector cover assembly
IPTU driver PCB
IPTU driver motors
Troubleshooting
Introduction
Troubleshooting process
Initial troubleshooting checklist
Troubleshooting flowchart
Power-on checks
Control panel messages
Resolving control panel messages
Using the MFP help system
Accessory lights for the 3-bin mailbox and stapler/stacker
Accessory lights
Formatter lights
Heartbeat LED
HP Jetdirect LEDs
Fax LED
Replacement parts configuration
DC controller (new or previously installed in another MFP)
Formatter (new or previously installed in another MFP)
Formatter and DC controller
Paper path troubleshooting
Jam locations
Paper jam recovery
Clearing jams in the right covers
Jam in Tray 1
Jam in Tray 2, 3, or 4
Jam in the stapler/stacker
Staple jams
Jam in the 3-bin mailbox
Other jams in the output accessory bridge
Jam in the ADF
Solving repeated jams
Persistent jams
Jams in the ADF
Jams in the IPTU
Jams in the stapler/stacker
Jams in the 3-bin mailbox
Using the paper path test
Using the scanner tests
Correcting print quality and copy quality problems
Overhead transparency defects
Print quality problems associated with media
Print quality problems associated with jams
Print quality problems associated with the environment
Understanding color variations
Using color
Color options
Adjusting color balance
Color selection process
Matching colors
Print quality troubleshooting pages
Image defects
Print quality troubleshooting tool
Image defect examples
Calibrating the MFP
Cleaning the scanner glass
Media transport problems
E-mail problems
To validate the LDAP gateway address
To validate the SMTP gateway address
Fax problems
Network connectivity problems
Troubleshooting network printing problems
Loopback test
Ping test
Functional checks
Engine test
Formatter test
MFP resets
Cold reset
NVRAM initialization
Hard-disk initialization
Control panel troubleshooting
Control panel layout
Control panel features
Help system
Home-screen navigation
Menu map
Retrieve job menu
Information menu
Fax menu
Paper handling menu
Configure device menu
Diagnostics menu
Tools for troubleshooting
Using the embedded Web server
Using the HP Easy Printer Care Software
Using HP Web Jetadmin software
Information pages
Individual component diagnostics
Service menu
Service ID
Firmware-stack trace
Troubleshooting the embedded HP Jetdirect print server
Diagrams for troubleshooting
DC controller connections
Scanner controller PCB connections
Locations of major components
General timing chart
General circuit diagrams
Parts and diagrams
Introduction
Ordering parts and supplies
Customer support
Parts
Parts that wear
Supplies and accessories
Assembly locations
Major components
External covers and panels
Internal components
ADF components
Scanner components
2 X 500-sheet feeder components
Optional devices
Stapler/stacker
3-bin mailbox
Intermediate paper transfer unit (IPTU)
Alphabetical parts list
Numerical parts list
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