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HP LaserJet Printers
HP LaserJet M4349x Multifunction Parts List
HP LaserJet M4349x Multifunction (CE796A)
MFG Part Number:
CE796A
43ppm black, 1200 x 1200 DPI
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HP LaserJet M4349x MFP service manual
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Manual contents and shortcuts
Product information
Device introduction
Features comparison
Walkaround
Accessories and supplies
Interface ports
Locking and unlocking optional accessories
Media specifications
Select print media
General media specifications
Media considerations
Installation
Site preparation
Operating environment
Installation checklist
Optional output and input devices
Connect to a computer or network
USB configuration
Fax connection
Network connection
Device software
Supported operating systems
Supported operating systems
Select the correct printer driver
Priority for print settings
Open the printer drivers
Software for Macintosh computers
Utilities
Network configuration
Configure TCP/IPv4 parameters
Configure TCP/IPv6 parameters
Disable network protocols (optional)
HP Jetdirect EIO print servers
Security features
Secure Disk Erase
Securing the embedded Web server
HP DSS authentication
Job-storage features
Locking the control‑panel menus
Locking the formatter cage
Manage and maintain the device
Control-panel menus
Use the control panel
Navigate the Administration menu
Information menu
Default Job Options menu
Time/Scheduling menu
Management menu
Initial Setup menu
Device Behavior menu
Print Quality menu
Troubleshooting menu
Resets menu
Service menu
Use information pages
Configure e-mail alerts
Use the embedded Web server
Open the embedded Web server by using a network connection
Embedded Web server sections
Use HP Web Jetadmin software
Use the HP Printer Utility for Macintosh
HP Printer Utility features
Open the HP Printer Utility
Manage supplies
Change the print cartridge
Manage the print cartridge
Supplies life expectancy
Clean the device
Clean the exterior
Clean the scanner glass
Clean the document feeder
Clean the paper path
Clean the scanner lid backing
Set the real-time clock
Set the date and time
Set the sleep delay
Set the wake time
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
Calibrate the scanner
Calibrate the control panel
Disable Embedded Jetdirect I/O
Select the MFP language
Theory of operation
Basic operation
Sequence of operation (printer)
Sequence of operation (scanner)
Formatter system
Resolution Enhancement technology (REt)
Sleep mode
CPU
EconoMode
Input/output
Memory
Control panel
PJL overview
PML
Scanner interface
Engine-control system
DC controller PCA
Motors and fans
Engine power supply circuit
Fuser control
High-voltage power supply
Low-voltage power supply
Cartridge detection
Overcurrent/overvoltage protection
Toner detection
Laser/scanner system
Laser/scanner control
Image-formation system
Print cartridge
Image-formation process
Pickup, feed, and delivery system
Pickup-and-feed block
Fusing and reversing/delivery block
Jam detection
Printing from the 500-sheet feeder
Duplex-printing unit
3-bin mailbox system
Function-separator mode
Jam detection
Mailbox mode
Stacker mode
MBM driver
Power-on sequence
MBM switches and sensors
MBM list of signals
MBM PCBs
Stapler/stacker system
Power-on sequence
Staple mode
Jogger operation
Jogger home-position detection
Jam detection
Stacker mode
Stapler unit
Stapler/stacker switches and sensors
Stapler/stacker motors, solenoid, and fan
Stapler/stacker PCBs
Stapler/stacker driver PCB
Stapler/stacker driver list of signals
Scanner system
Electrical system
Motors and fans
Optical assembly
ADF feed system
Jam detection
Locations of major components
Sensors and switches
Motors, fans, solenoids, and clutch
Scanner and ADF components
Removal and replacement
Service approach
Removal and replacement strategy
Before performing service
Required tools
After completing service
Screws that are used in the MFP
User-replaceable parts
Print cartridge
Control panel
Control-panel overlays
Transfer roller
ADF input tray
ADF pickup and feed rollers
ADF separation pad
ADF delivery guide (clear mylar sheet)
Output-bin assembly
Duplex-printing unit
Fuser
Fuser-entrance guide
Tray 2, 3, 4, or 5 pickup and feed rollers
Tray 1 pickup roller
Scanner filter cover and scanner filter
ADF-hinge flap
Formatter cover and formatter
Hard drive
DIMM
Fax accessory
Covers, doors, and external panels
Top-cover flatbed flange
Front cover
Back cover
Internal assemblies
Reversing-separation-guide assembly
Reversing assembly
Main fan (FN101) and reversing-unit fan (FN103)
Thermistor (TH3)
Tray 2 jam-access-cover switch (SW105)
Tray 1 assembly
Front-cover support
Tray 1 feed-assembly
Feed-roller assembly
DC controller
Main motor (M101)
DC controller fan (FN104)
Print-cartridge fan (FN102)
Print-cartridge motor (M102)
Top-cover switch (SW101)
Registration assembly
Paper-pickup-drive assembly
Lifter-drive assembly
Power-factor-correction (PFC) power supply
Engine power supply
Paper-feed assembly
Paper-size-detection switch (SW102)
Tray 2 detection switch
Tray 2 paper-present sensor (PS101)
Laser/scanner
Output-bin-full sensor
ADF and scanner components
ADF assembly
Scanner assembly
Scanner-controller PCA
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
500-sheet feeder components
500-sheet-feeder pickup and feed rollers
Stapler/stacker components
Delivery tray
Front cover
Rear cover
Left cover
Top cover
Bottom cover
Stapler unit
Jogger unit
Stapler/stacker driver PCB
3-bin mailbox components
Delivery tray
Front cover
Rear cover
Left cover
Upper cover
Right-door unit
Bottom cover
MBM driver PCB
Problem solving
Problem-solving checklist
Factors that affect performance
Problem-solving flowchart
Power-on checks
Power-on troubleshooting overview
Formatter lights
Heartbeat LED
HP Jetdirect Inside LEDs
Fax LED
Diagrams for troubleshooting
DC controller connections
Scanner-controller PCA connections
General timing chart
General circuit diagrams
Solve general device problems
Control-panel message types
Control-panel messages
Common causes of jams
Clear jams
Clear jams from the top-cover and print-cartridge areas
Clear jams from the optional envelope-feeder area
Clear jams from the tray 1 area
Clear jams from the tray 2, 3, 4, or 5 areas
Clear jams from the optional duplexer
Clear jams from the output areas
Clear jams from the fuser
Clear jams from the document feeder
Paper-path test
Solve repeated jams
Clear staple jams
Solve print-quality problems
Overhead transparency defects
Print-quality problems associated with jams
Print-quality problems associated with media
Print-quality problems associated with the environment
Image defect examples
Solve network printing problems
Solve copy problems
Image problems
Prevent copy problems
Media-handling problems
Performance problems
Solve fax problems
Solve sending problems
Solve receiving problems
Solve e-mail problems
Validate the LDAP gateway address
Validate the SMTP gateway address
Solve network connectivity problems
Loopback test
Troubleshooting network printing problems
Ping test
Solve stapler/stacker problems
Solve 3-bin mailbox problems
Functional checks
Early boot diagnostic test
Engine test
Formatter test
Half self-test
Drum-rotation test
MFP resets
Cold reset
NVRAM initialization
Hard-disk initialization
Individual component diagnostics
Manual sensor test
Paper-path-sensor test
Scanner tests
Component test
Service ID
Converting the service ID to an actual date
Restoring the Service ID
Troubleshooting the embedded HP Jetdirect print server
Firmware-stack trace
Solve common Windows problems
Solve common Macintosh problems
Solve Linux problems
Solve PostScript problems
General problems
Parts and diagrams
How to use the parts lists and diagrams
Order parts, accessories, and supplies
Screws that are used in the MFP
Customer-replaceable parts and accessories
Accessories
Customer-replaceable components (print engine)
Customer-replaceable components (ADF and scanner)
Cables and interfaces
Control panel and control-panel overlays
Memory
Print cartridge and maintenance kits
Documentation, software, and training material
Assembly locations
External components
Print-engine internal components
Upper-plate assembly
Internal components (1 of 5)
Internal components (2 of 5)
Internal components (3 of 5)
Internal components (4 of 5)
Internal components (5 of 5)
Electrical/forward assembly
Main drive assembly
Paper-pickup-drive assembly
Lifter-drive assembly
Cassette
Paper-feed roller assembly
Registration assembly
Multipurpose assembly
Reverse assembly
Reverse-separation-guide assembly
Delivery assembly
Fuser
ADF components
ADF assembly
ADF internal components (1 of 3)
ADF internal components (2 of 3)
ADF internal components (3 of 3)
ADF input tray
ADF separation pad
ADF separation-pad case
ADF pickup-roller assembly
ADF pickup-roller cover
ADF mylar-holder assembly
ADF mylar replacement kit
Scanner components
Scanner-base components
Scanner flatbed-unit assembly
Scanner covers
Cassette
Optional devices
Duplex-printing accessory
Stapler/stacker
3-bin mailbox
Alphabetical parts list
Numerical parts list
Specifications
Considerations for "pre-flighting" a LaserJet
Electrical specifications
Physical specifications
Acoustic specifications
Operating environment
Product warranty statements
Hewlett-Packard limited warranty statement
Regulatory information
FCC regulations
Environmental product stewardship program
Ozone production
Paper use
Plastics
Power consumption
Protecting the environment
Toner consumption
HP LaserJet print supplies
HP print supplies returns and recycling program information
Paper
Disposal of waste equipment by users in private households in the European Union
Material restrictions
For more information
Material Safety Data Sheet (MSDS)
Telecom statement
Declaration of conformity
Safety statements
Canadian DOC regulations
EMC statement (Korea)
Laser safety
Laser statement for Finland
Power cord statement (Japan)
VCCI statement (Japan)
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