HP LaserJet Enterprise M806dn M806x+ Enterprise Flow MFP M830z Service Manual and Parts Catalog


This Service Manual contain: Repair Manual and Troubleshooting Manual HP LaserJet Enterprise M806dn M806x+ Enterprise Flow MFP M830z.
Accurate, clear and concise text, combined with detailed illustrations, lists of error code, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your copier, printer or scanner.

CONTENT FOR REPAIR MANUAL:
1. REMOVAL AND REPLACEMENT
Removal and replacement strategy
Cautions during removal and replacement
Required tools
Types of screws
Service approach
Before performing service
After performing service
Parts removal order
Customer-self repair assemblies
Toner cartridge
Reinstall the toner cartridge
Transfer-roller assembly
Duplexer
Fuser
Remove the fuser
Formatter
Remove the formatter
Reinstall the formatter
Hard-disk drive (HDD) or solid-state memory(SSM)
Identify the component type
Remove the HDD
Reinstall the HDD
Remove the SSM (M806 only)
Reinstall the SSM (M806 only)
Reinstall the product firmware
Memory DIMM
Remove the memory DIMM
Reinstall the memory DIMM
Fax PCA (M830 only)
Remove the fax PCA (M830 only)
Document feeder mylar strip (M830 only)
Install a replacement document feeder mylar strip (M830 only)
Document feeder white backing (M830 only)
Install a replacement document feeder white backing (M830 only)
Background selector (M830 only)
Reinstall the background selector (M830 only)
Control-panel assembly (M806 only)
Reinstall the control-panel assembly (M806 only)
Control-panel assembly (M830 only)
Reinstall the control-panel assembly (M830 only)
Keyboard assembly (M830 only)
Remove the keyboard assembly (M830 only)
Reinstall the keyboard assembly (M830 only)
Pickup, feed, and separation rollers and pads
Document-feeder roller (M830 only)
Remove the document-feeder roller (M830 only)
Reinstall the document-feeder roller (M830 only)
Document-feeder separation pad (M830 only)
Remove the document-feeder separation pad (M830 only)
Reinstall the document-feeder separation pad (M830 only)
Tray 1 rollers
Reinstall the Tray 1 rollers
Tray 2 and Tray 3 rollers
Reinstall the Tray 2 and Tray 3 rollers
High-capacity input (HCI) rollers
Reinstall the HCI rollers
Covers and doors
Location of major components
Scanner back cover (M830 only)
Scanner left cover (M830 only)
Remove the scanner left cover (M830 only)
Scanner right cover (M830 only)
Remove the scanner right cover (M830 only)
Scanner front cover (M830 only)
Remove the scanner front cover (M830 only)
Tray 1 (multipurpose tray)
Tray 2 and Tray 3
Face-up tray (output bin)
Hardware integration pocket (HIP) cover (M806 only)
Reinstall the HIP cover (M806 only)
Hardware integration pocket (HIP) cover (M830 only)
Reinstall the HIP cover (M830 only)
Control-panel base cover (M806 only)
Remove the control-panel base cover (M806 only)
Reinstall the control-panel base cover (M806 only)
Right top cover (M806 only)
Remove the right top cover (M806 only)
Reinstall the right top cover (M806 only)
Left top cover (M806 only)
Remove the left top cover (M806 only)
Reinstall the left top cover (M806 only)
Front door assembly
Reinstall the front door assembly
Front inner cover
Remove the front inner cover
Reinstall the front inner cover
Left rear cover
Reinstall the left rear cover
Rear cover
Reinstall the rear cover
Right rear cover
Remove the right rear cover
Left door assembly
Right door assembly
Remove the right door assembly
Reinstall the right door assembly
Left front cover
Upper left cover (M806 only)
Remove the upper left cover (M806 only)
Reinstall the upper left cover (M806 only)
Upper left cover (M830 only)
Remove the upper left cover (M830 only)
Reinstall the upper left cover (M830 only)
Right lower front cover
Right lower cover
Remove the right lower cover
Main assemblies
Location of major components
Scanner control board (SCB) (M830 only)
Remove the SCB (M830 only)
Install a replacement SCB (M830 only)
Document feeder assembly (M830 only)
Remove the document feeder assembly (M830 only)
Reinstall the document feeder assembly (M830 only)
Scanner assembly (M830 only)
Remove the scanner assembly (M830 only)
Reinstall the scanner assembly (M830 only)
Cartridge-release lever
Remove the cartridge-release lever
Registration-jam-removal knob
Reinstall the registration-jam-removal knob
Power supply fan
Remove the power supply fan
Reinstall the power supply fan
Cartridge fan
Remove the cartridge fan
Reinstall the cartridge fan
Controller fan
Remove the controller fan
Reinstall the controller fan
Paper-pickup assembly
Remove the paper-pickup assembly
Registration assembly
Remove the registration assembly
Auto-close assembly
Remove the auto-close assembly
Reinstall the auto-close assembly
Low-voltage power supply (M806 only)
Remove the low-voltage power supply (M806 only)
Low-voltage power supply (M830 only)
Remove the low-voltage power supply (M830 only)
High-voltage power supply (M806 only)
Remove the high-voltage power supply (M806 only)
Reinstall the high-voltage power supply (M806 only)
High-voltage power supply (M830 only)
Remove the high-voltage power supply (M830 only)
Reinstall the high-voltage power supply (M830 only)
DC controller (M806 only)
Remove the DC controller (M806 only)
DC controller (M830 only)
Remove the DC controller (M830 only)
Cartridge contact assembly
Remove the cartridge contact assembly
Reinstall the cartridge contact assembly
Drum motor
Remove the drum motor
Drive assembly (M806 only)
Remove the drive assembly (M806 only)
Reinstall the drive assembly (M806 only)
Drive assembly (M830 only)
Remove the drive assembly (M830 only)
Reinstall the drive assembly (M830 only)
Transfer paper-feed assembly
Remove the transfer paper-feed assembly
Reinstall the transfer paper-feed assembly
Transfer-holder assembly
Remove the transfer-holder assembly
Reinstall the transfer-holder assembly
Cartridge-lifter assembly (M806 only)
Remove the cartridge-lifter assembly (M806 only)
Reinstall the cartridge-lifter assembly (M806 only)
Cartridge-lifter assembly (M830 only)
Remove the cartridge-lifter assembly (M830 only)
Reinstall the cartridge-lifter assembly (M830 only)
Driver PCA
Remove the driver PCA
Reinstall the driver PCA
Laser/scanner assembly
Remove the laser/scanner assembly
Face-down paper-delivery assembly (M806 only)
Remove the face-down paper-delivery assembly (M806 only)
Paper-delivery fan assembly (M830 only)
Remove the paper-delivery fan assembly (M830 only)
Reinstall the paper-delivery fan assembly (M830 only)
Fuser drive assembly
Remove the fuser drive assembly
Reinstall the fuser drive assembly
Power switch assembly
Remove the power switch assembly
Reinstall the power switch assembly
Interconnect PCA
Remove the interconnect PCA
Reinstall the interconnect PCA
Formatter cage
Remove the formatter cage
Reinstall the formatter cage
Fuser bias contact assembly
Remove the fuser bias contact assembly
Reinstall the fuser bias contact assembly
Cooling-unit assembly
Remove the cooling-unit assembly
Reinstall the cooling unit assembly
Tag assembly
Remove the tag assembly
Option-connector assembly
Remove the option-connector assembly
Reinstall the option-connector assembly
Input accessory
High capacity input feeder
Location of major components
HCI right tray
HCI left tray
HCI rear and right-rear corner covers
HCI right door assembly
Remove the HCI right door assembly
HCI left cover
Remove the HCI left cover
HCI center right cover
Remove the HCI center right cover
HCI lower right cover
Remove the HCI lower right cover
HCI right tray pickup motor
Remove the HCI right tray pickup motor
HCI right tray pickup drive
Remove the HCI right tray pickup drive
HCI left tray pickup motor
Remove the HCI left tray pickup motor
HCI left tray pickup drive
Remove the HCI left tray pickup drive
HCI merge drive assembly
Remove the HCI merge drive assembly
HCI right tray lifter drive assembly
Remove the HCI right tray lifter drive assembly
HCI left tray lifter drive assembly
Remove the HCI left tray lifter drive assembly
HCI right tray media-level sensor assembly
Remove the HCI right tray media-level sensor assembly
HCI left tray media-level sensor assembly
Remove the HCI left tray media-level sensor assembly
HCI right tray automatic close assembly
Remove the HCI right tray automatic close assembly
HCI left tray automatic close assembly
Remove the HCI left tray automatic close assembly
HCI right tray pickup assembly
Remove the HCI right tray pickup assembly
HCI left tray pickup assembly
Remove the HCI left tray pickup assembly
HCI merge assembly
Remove the HCI merge assembly
HCI controller PCA
Remove the HCI controller PCA
Finishing accessories
Identify the finishing accessories
Disconnect a finishing accessory from the product
Identifying finishing accessory covers and doors
Shared finishing accessory assemblies
Upper cover lock assembly
Right cover assembly
Pre-reverse cover assembly
Remove the pre-reverse cover assembly
Rear reverse cover assembly
Remove the rear reverse cover assembly
Upper reverse cover assembly
Remove the upper reverse cover assembly
Bin cable guide cover
Reinstall the bin cable guide cover
Open/closed stepped cover assembly
Upper stepped cover assembly
Lower stepped cover assembly
Remove the lower stepped cover assembly
Reinstall the lower stepped cover
Top door assembly
Front door
Remove the front door
Remove only the front door
Inner upper cover assembly
Inner upper cover assembly (remove)
Clutch assembly (front side)
Remove the clutch assembly (front side)
Sensor switch assembly
Remove the sensor switch assembly
Inner lower cover assembly
Inner lower cover assembly (remove)
Front foot cover assembly
Remove the front foot cover assembly
Lower lock release handle assembly
Remove the lower lock release handle cover assembly
Rear cover assembly
Remove the rear cover assembly
Remove only the rear cover
Main controller PCA assembly
Remove the main controller PCA assembly
Entrance upper guide assembly
Remove the entrance upper guide assembly
Rear foot cover assembly
Remove the rear foot cover assembly
Stack wall upper assembly and upper wall guide assembly
Remove the stack wall upper cover assembly
Upper crossmember assembly
Remove the upper crossmember assembly
Reinstall the upper crossmember assembly
Paper feed drive assembly
Remove the paper feed drive assembly
Pressure roller assembly
Remove the pressure roller assembly
Stack upper bin and lower bin assemblies
Remove the stack upper bin and lower bin assembly
Reinstall the stack upper bin and lower bin assemblies
Height wall assembly
Remove the height wall center assembly
Reinstall the height wall assembly
Paper face sensor and flag assembly
Remove the paper face sensor and flag assembly
Staple sub assembly
Remove the staple sub assembly
Staple connecting cable assembly
Remove the staple connecting cable assembly
Staple assembly
Remove the staple assembly
Paper detect holder assembly
Remove the paper detect holder assembly
Reinstall the paper detect holder assembly
Operation tray assembly
Remove the operation tray assembly
Reinstall the operation tray assembly
Swing guide assembly
Remove the swing guide assembly
Reinstall the swing guide assembly
Return roller assembly
Remove the return roller assembly
Clutch assembly (rear side)
Remove the clutch assembly (rear side)
Stack ejection motor assembly
Remove the stack ejection motor assembly
Press motor assembly
Remove the press motor assembly
Common driver PCA assembly
Remove the common controller PCA
Interface cable assembly
Remove the interface cable assembly
Reverse driver PCA assembly
Remove the reverse driver PCA assembly
Reverse assembly
Remove the reverse assembly
Paper pass assembly
Remove the paper pass assembly
Booklet maker accessory
Knob
Saddle output bin assembly
Reinstall the saddle output bin
Right cover assembly (BM PCA)
Remove the right cover assembly (BM PCA)
Booklet maker controller PCA
Remove the booklet maker controller PCA
Inner side plate assembly
Remove the inner side plate assembly
Before reinstalling the inner side plate assembly
Guide sensor assembly
Remove the guide sensor assembly
Guide motor assembly
Remove the guide motor assembly
Saddle motor assembly
Remove the saddle motor assembly (SS and BM)
Saddle feed motor assembly
Remove the saddle feed assembly
Folding-motor mount assembly
Remove the motor mount assembly
Reinstall the folding-motor mount assembly
Delivery switch mount assembly
Remove the delivery switch mount assembly
Saddle stapler assembly
Remove the saddle stapler assembly
Lower left guide assembly
Remove the lower left guide assembly
Saddle delivery inner cover, front assembly
Remove the saddle delivery inner cover, front assembly
Saddle delivery inner cover, rear assembly
Remove the saddle delivery inner cover, rear assembly
Saddle guide assembly
Remove the saddle guide assembly
Reinstall the saddle guide assembly
Saddle feed assembly
Remove the saddle feed assembly
Saddle assembly
Remove the saddle assembly
Reinstall the saddle assembly
Upper delivery guide assembly
Remove the upper delivery guide assembly
Saddle paper delivery assembly
Remove the saddle paper delivery assembly
Saddle rear end sensor assembly
Remove the saddle rear end sensor assembly
Stapler/stacker and stapler/stacker with hole punch accessories
Punch controller PCA assembly
Remove the punch controller PCA assembly
Dust collector assembly
Punch inner cover assembly
Remove the punch inner cover assembly
Punch top cover
Remove the punch top cover
Punch hole assembly
Remove the punch hole assembly
Reinstall the punch hole assembly

2. PARTS AND DIAGRAMS
Order parts by authorized service providers
Order parts, accessories, and supplies
Related documentation and software
Supplies part numbers
Customer self-repair parts
Service replacement parts
Accessories
How to use the parts lists and diagrams
Assembly locations
Base product (no optional trays or accessories)
Document feeder and scanner (M830)
High capacity input (HCI) feeder
Finishing accessories
Document feeder and scanner assemblies (M830)
Document feeder assemblies (M830)
Scanner assemblies (M830)
Covers
Internal assemblies
Internal assemblies (1 of 4)
Internal assemblies (2 of 4)
Internal assemblies (3 of 4)
Internal assemblies (4 of 4)
3500-sheet paper feeder (HCI)
3500-sheet paper feeder covers
3500-sheet paper deck components
Stapler stacker/booklet maker
Stapler stacker covers
Booklet maker covers
Finisher main body (1 of 3)
Finisher main body (2 of 3)
Finisher main body (3 of 3)
Stapler/stacker finisher main body
Booklet maker finisher main body
Booklet maker saddle assembly
Alphabetical parts list
Numerical parts list
INDEX

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CONTENT FOR TROUBLESHOOTING MANUAL:
1. THEORY OF OPERATION
Basic operation
Sequence of operation
Normal sequence of operation
Formatter-control system
Formatter hardware
Control panel
Engine-control system
DC controller
Motors
Fans
Fuser-control circuit
Fuser heater protection
Low-voltage power supply
Over-current/over-voltage protection
High-voltage power supply
Laser/scanner system
Image-formation system
Image formation process
Toner cartridge
Toner cartridge design
No-shake toner
Toner cartridge memory chip
Toner seal
Toner level detection
Scanning/image capture system
Scanner
Document feeder system
Document feeder sensors
Document feeder simplex operation
Document feeder duplex operation
Document feeder paper control and deskew
Document feeder paper pick and separation
Document feeder paper stopper & fins
Document feeder simplex selector
Document feeder white backing
Document feeder duplex selector
Document feeder hinge
Pickup, feed, and delivery system
Photo sensors and switches
Motors and solenoids
Pickup and feed system
Media-size detection
Media-level detection
Multi-feed prevention
Transparency media detection
Fuser-wrapping jam detection
Tray 1
Tray 1 driver PCA
Tray 1 power supply
Tray 1 sequence of operation
Tray 1 pickup and feed
Tray 1 jam detection
Tray 2 and Tray 3
Tray 2 cassette pickup
Tray 2 cassette multiple-feed prevention
Tray 2 cassette media-size detection and Tray 2 cassette-presence detection
Tray 2 cassette lift-up operation
Tray media-presence detection
Jam detection
3,500-sheet high-capacity input (HCI) feeder
HCI electrical components
HCI motor control
HCI motor failure detection
HCI pickup-and-feed operation
HCI lift-up operation
HCI cassette media-size detection and cassette-presence detection
Additional HCI pickup and feed functions
HCI jam detection
Stapler/stacker and stapler/stacker with hole punch
Stapler/stacker motors
Motor failure detection
Feed-and-delivery operation
Switchback assembly
Straight feed
Switchback feed to the pass-through assembly/hole-puncher
assembly (without hole punching operation)
Switchback feed to the hole-puncher assembly (with hole
punching operation)
Hole puncher assembly
Side registration operation
Hole punching operation (2-hole/3-hole puncher assembly)
Hole punching operation (2-hole/4-hole puncher assembly)
Stapler/stacker assembly
Swing height control
Process output bin paper-stacking operation
Offset operation
Stack trailing-edge assist operation
Stack delivery operation
Staple operation
Shift the staple unit
Stack operation (stapler/stacker and booklet maker)
Output bin operation
Shutter operation
Jam detection
Stapler/stacker jam detection
Switchback assembly jam detection
Hole puncher assembly jam detection
Stapler/stacker assembly jam detection
Booklet maker
Electrical circuitry for the booklet maker unit
Basic operation of the booklet maker
Construction of the booklet-maker-unit control system
Booklet maker motors
Booklet maker paper feed and delivery
Booklet maker jam detection
Booklet maker delivery modes

2. SOLVE PROBLEMS
Solve problems checklist
Menu map
Preboot menu options
Current settings pages
Troubleshooting process
Determine the problem source
Troubleshooting flowchart
Power subsystem
Power-on checks
Power-on troubleshooting overview
Control-panel checks
Control-panel diagnostic flowcharts
Touchscreen black, white, or dim (no image)
Touchscreen is slow to respond or requires multiple presses to respond
Touchscreen has an unresponsive zone
No control-panel sound
Home button is unresponsive
Hardware integration pocket (HIP) is not functioning (control
panel functional)
Scanning subsystem
Tools for troubleshooting
Individual component diagnostics
LED diagnostics
Understand lights on the formatter
Engine diagnostics
Defeating interlocks
Disable cartridge check
Engine test button
Paper path test
Paper path sensors test
Manual sensor and tray/bin manual sensor tests
Manual sensor test
Tray/bin manual sensor test
Print/stop test
Component tests
Control-panel tests
Component test (special-mode test)
Finishing accessory component test
Scanner tests M830
Scanner tests
Diagrams
Block diagrams
Location of connectors
DC controller PCA connectors
High capacity input (HCI) feeder controller PCA connectors
Finishing accessories (all) controller PCA connectors
Plug/jack locations
Locations of major components
Base product
High capacity input (HCI) feeder
Finishing accessories
General timing chart
Circuit diagrams
Internal print-quality test pages
Print quality troubleshooting pages
Fuser test page
Cleaning page
Enable and configure auto cleaning
Print configuration page
Configuration page
HP embedded Jetdirect page
Finding important information on the configuration pages
Print quality troubleshooting tools
Repetitive defects ruler
Control-panel menus
Administration menu
Reports menu
General Settings menu
Copy Settings menu (M830 only)
Scan/Digital Send Settings menu (M830 only)
Fax Settings menu (M830 only)
General Print Settings menu
Default Print Options menu
Display Settings menu
Manage Supplies menu
Manage Trays menu
Network Settings menu
Troubleshooting menu
Device Maintenance menu
Backup/Restore menu
Calibration/Cleaning menu (M830)
Calibration/Cleaning menu (M806)
USB