Lexmark MX710de MX710dhe MX711de MX711dhe MX810de MX811de MX812de Service Manual and Parts List

Service Manual and Parts List Lexmark MX710de MX710dhe MX711de MX711dhe MX810de MX811de MX812de;
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Machine Type 7463-03x, -23x, -43x, -63x, -83x, -x96

Product information
Edition notice
Notices and safety information
Laser notices
Safety
Preface
Service manual conventions
Change history

GENERAL INFORMATION
Paper guidelines
Paper characteristics
Selecting paper
Selecting preprinted forms and letterhead
Using recycled paper and other office papers
Storing paper
Data security notice
Tools required for service

DIAGNOSTIC INFORMATION
Troubleshooting overview
Performing the initial troubleshooting check
Error code number key
Power-on Reset (POR) sequence
Using Safe Mode
Fixing print quality issues
Initial print quality check
Fixing base printer print quality issues
Gray background on prints
Horizontal voids appear on prints
Print irregularities
Printer is printing blank pages
Printer is printing solid black pages
Shadow images appear on prints
Skewed print
Streaked horizontal lines appear on prints
Streaked vertical lines appear on prints
Toner specks appear on prints
Vertical voids appear on prints
Toner fog or background shading appears on prints
Toner rubs off
Paper jams
Understanding jam numbers and locations
200-201 paper jams
Sensor (input) static jam service check
Sensor (input) early arriving jam service check
Sensor (input) never- or late-arriving jam service check
Sensor (input) late-leaving or did-not-clear jam service check
Main drive motor control jam service check
Printhead motor control jam service check
Fuser drive motor control jam service check
Sensor (input) miscellaneous jam 1 service check
Sensor (input) miscellaneous jam 2 service check
Sensor (input) miscellaneous jam 3 service check
202 paper jams
Sensor (fuser exit) static jam service check
Sensor (fuser exit) late-leaving jam service check
Sensor (fuser exit) late-arriving jam service check
Sensor (narrow media) late arriving jam service check
Sensor (narrow media) static jam service check
Sensor (fuser exit) miscellaneous jam service check
Fuser ID chip control jam service check
203 paper jams
Upper redrive motor control jam service check
230 paper jams
Sensor (duplex path) static jam service check
Sensor (duplex path) early arriving jam service check
Sensor (duplex path) never- or late-arriving jam service check
Sensor (duplex path) late leaving jam service check
Duplex control jam service check
Sensor (duplex path) miscellaneous jam service check
Sensor (input) never-arriving jam (exiting duplex) service check
235-239 paper jams
24x paper jams
Media feeder motor control service check
Media tray 1, tray pulled jam
Media feeder motor tray lift error service check
Sensor (input) never-arriving jam from tray 1 service check
250 paper jams
Sensor (input) never-arriving jam from MPF media tray service check
41y.xx paper jams
43y.xx paper jams
451 paper jams
455-457 paper jams
User attendance messages (0-99.99)
User attendance messages (0-99.99)
Toner level sensing error check
Toner cartridge smart chip error service check
Imaging unit smart chip service check
Fuser unit smart chip service check
Printer hardware errors (100-199.99)
Printer hardware error messages(100-199.99)
Printhead ID service check
Printhead service check
Fuser drive motor service check
Fuser service check
LVPS service check
Toner level sensing service check
Main drive motor service check
Media feeder service check
Redrive motor service check
Duplex motor service check
Toner add motor service check
Main cooling fan service check
Cartridge cooling fan service check
LVPS cooling fan service check
HVPS cooling fan service check
Miscellaneous cooling fan service check
ADF and scanner errors
ADF and scanner error messages (280-295.20)
ADF cover open jam
Sensor (ADF pick) static jam
Sensor (ADF pick) never arriving or late arriving jam service check
Sensor (ADF pick) late leaving or not cleared jam service check
Sensor (ADF 1st scan) static jam service check
Sensor (ADF 1st scan) never arriving or late arriving jam service check
Sensor (ADF 1st scan) late leaving or not cleared jam
Sensor (ADF 2nd scan) static jam
Sensor (ADF 2nd scan) never arriving or late arriving jam service check
Sensor (ADF 2nd scan) late leaving or not cleared jam service check
Sensor (ADF media exit) static jam service check
Sensor (ADF media exit) never arriving or late arriving jam service check
Sensor (ADF media exit) late leaving or not cleared jam service check
Sensor (multifeed detect) detected multiple sheets service check
ADF and scanner error messages (84x)
Flatbed scanner and ADF communications failure service check
Flatbed scanner home position error service check
ADF elevator tray home position error service check
ADF elevator tray motor stalled error service check
ADF elevator tray motor time-out error service check
Flatbed scanner CCD initialization error service check
ADF scanner CCD initialization error service check
Firmware and/or system electronics errors (900-999.99)
9xx error messages
Communication failure with flatbed scanner and ADF
System software error service check
NVRAM mismatch failure service check
Input/output option hardware errors
3xx error messages (300-399.99)
250/550-sheet transport motor failure service check
250/550-sheet media feeder failure service check
250/550-sheet controller board failure service check
HCIT lift drive motor failure service check
HCIT lift plate failure service check
HCIT transport motor failure service check
Mailbox failure service check
Input/output option paper jam errors
Input option jam error messages (242-245.99)
250/550-sheet media tray option jam service check
HCIT jam service check
HCIT source jam service check
4xx error messages (400-499.99)
Sensor (mailbox pass through) jam service check
Mailbox diverter jam service check
Sensor (finisher pass through) jam service check
Finisher left tamper jam service check
Finisher right tamper jam service check
Finisher ejector jam service check
Finisher diverter jam service check
Finisher paddle jam service check
Finisher tray holder jam service check
Stapler carriage jam service check
Sensor (media in stapler) jam service check
Symptoms
Base printer symptoms
Network service check
Dead machine service check
ADF/scanner symptoms
ADF media present service check
ADF not responding service check
Option tray symptoms
250/550-sheet media type error service check
250/550-sheet tray undetected service check
HCIT incorrect media error service check
HCIT media type error service check
HCIT undetected service check
HCIT media low undetected service check
Finisher side door error service check
Mailbox incorrect bin exit service check
Finisher cartridge error service check
Finisher undetected service check
Finisher bin error service check
Finisher door undetected service check
Stapler carriage failure service check
Finisher bin media present error service check

SERVICE MENUS
Using the printer control panel
Using the printer control panel (MX81x)
Menus list
Diagnostics menu
Entering diagnostics mode
REGISTRATION
Scanner calibration
PRINT TESTS
Print Quality Pages (Prt Quality Pgs)
HARDWARE TESTS
Panel Test
Button Test
DRAM Test
Serial Wrap Test
USB HS Test Mode
Beacons Test
DUPLEX TESTS
Quick Test
Top Margin
Sensor Test
Motor Test
Duplex Feed 1
Duplex Feed 2
INPUT TRAY TESTS
Feed Tests
Sensor Tests
OUTPUT BIN TESTS
Feed Tests
Feed To All Bins
Sensor Test
Diverter Test
FINISHER TESTS
Staple Test
Hole Punch Test
Feed Test (finisher)
Finisher Sensor Test
BASE SENSOR TEST
DEVICE TESTS
Quick Disk Test
Disk Test/Clean
Flash Test
PRINTER SETUP
Defaults
Printed Page Count
Permanent Page Count (Perm page count)
Processor ID
Engine Setting [x]
Edge to Edge
Parallel Strobe Adjustment (Par 1 Strobe Adj)
EP SETUP
EP Defaults
Fuser Temperature (Fuser Temp)
Fuser Page Count
Warm Up Time
Transfer
Print Contrast
Charge Roll
Gap Adjust
Automatic Darkness Adjust (Auto Dark Adj)
REPORTS
Menu Settings Page
Installed Licenses
EVENT LOG
Display Log
Print Log
Clear Log
Print Log Summary
Exit Diags
Configuration menu
Entering configuration mode
Roller Kit Counter Value
Reset Roller Kit Counter
Reset Separator Roll and Pick Assembly Counter
USB Scan to Local
Print Quality Pages
Reports
Menu Settings Page
Event Log
Size sensing
Panel Menus
PPDS Emulation
Download Emuls
Safe Mode
Factory Defaults
Energy Conserve
Min copy memory
Fax low power support
Num pad job assist
Format fax storage
ADF edge erase
Scanner manual registration
Disable scanner
Paper Prompts
Envelope Prompts
Action for Prompts
Jobs on Disk
Disk Encryption
Erase All Information on Disk
Wipe All Settings
Font Sharpening
A4 Fuser
Require Standby
A5 Loading
UI Automation
LES Applications
Key Repeat Initial Delay
Key Repeat Rate
Clear Supply Usage History
Clear Custom Status
USB Speed
Automatically Display Error Screens
USB PnP
Entering invalid engine mode
Entering recovery mode
Accessing the Network SE menu
Service Engineer menu
Accessing the service engineer (SE) menu
Service engineer (SE) menu

REPAIR INFORMATION
Removal precautions
Handling ESD-sensitive parts
Controller board/control panel replacement
eSF solutions backup
Ribbon cable connectors
Zero Insertion Force (ZIF) connectors
Horizontal top contact connector
Horizontal bottom contact connector
Vertical mount contact connector
Horizontal sliding contact connector
Low Insertion Force (LIF) connector
Adjustments
Media aligner roller adjustment
Polygon printhead mechanical registration adjustment
ADF skew adjustments
ADF skew adjustment (front side)
ADF skew adjustment (back side)
ADF skew adjustment (deskew roller)
Media squareness check
Print skew correction
Copy skew correction
Removal procedures
Base printer – cover removals
Column left front cover removal (MX81x)
Column left outer cover removal (MX81x)
Column right inner cover removal
Column right outer cover removal
Left cover removal (MX71x)
Left cover removal (MX81x)
Left inner cover removal
Rear door removal
Rear lower cover removal
Rear lower door removal (MX81x)
Right cover removal (MX71x)
Right cover removal (MX81x)
Right inner cover removal (MX71x)
Top cover removal
Base printer – front removals
Duplex exit diverter removal
Front door removal
Inner guide deflector removal
Laser printhead removal
Media aligner roller removal
Media turn guide removal
Media vertical guide removal
MPF feeder lift plate removal
MPF pick roller removal
MPF tray removal
Sensor (input) removal
Sensor (toner density) removal
Transfer roller left arm with cable removal
Transfer roller right arm removal
Transfer roller removal
Base printer – rear removals
Duplex motor removal
Fuser removal
Fuser access door removal
Left frame pivot removal
Right frame pivot removal
Sensor (rear door interlock) removal
Base printer – top removals
Cartridge door removal
Output bin sensor cover removal
Sensor (standard bin full) removal
Standard bin cover removal (MX71x)
Standard bin cover removal (MX81x)
Upper redrive motor removal
Upper redrive removal
Base printer – bottom removals
Duplex removal (MX71x)
Duplex removal (MX81x)
Duplex front flap removal
Duplex rear flap removal
Left frame extension removal (MX71x)
Left frame extension removal (MX81x)
Media tray removal
Media size actuator removal
Pick roller assembly removal
Sensor (duplex path) removal
Sensor (tray 1 media out) removal
Separator roller assembly removal
Right frame extension (MX71x)
Right frame extension removal (MX81x)
Base printer – left removals
Controller board removal
Controller board access cover removal
Controller board access shield removal
Fuser drive motor removal
Main cooling fan removal
Main drive motor removal
Media feeder removal
PCBA housing removal
Sensor (control panel interlock) removal
Sensor (pick roller position) removal
Toner add motor removal
Base printer – right removals
Cartridge cooling fan removal
Duplex cooling fan removal
HVPS removal
LVPS removal
Power switch removal
Control panel removals
10-inch display removal
10-inch display (MX81x) removal
Control panel removal (MX71x)
Control panel removal (MX81x)
Control panel board removal (MX71x)
Control panel board removal (MX81x)
Control panel front cover removal
Control panel latch removal
Control panel left bezel removal (MX71x)
Control panel right bezel removal (MX71x)
Left control panel hinge removal
Right control panel hinge removal
Tilting display removal (7-inch and 10-inch)
Standard bin LED board removal
Control panel cover removal
Control panel buttons removal
Control panel speaker removal
USB cable removal
ADF and scanner removals
ADF/scanner assembly removal
ADF removals
ADF assembly removal
ADF bottom door removal
ADF scanner CCD removal
ADF controller card removal
ADF door removal
ADF feed belt removal
ADF float plate with springs removal
ADF front cover removal
ADF front side drive parts pack removal
ADF input tray removal
ADF left hinge removal
ADF left lower cover removal
ADF lift tray removal
ADF pick roller cover removal
ADF pick roller removal
ADF push button switch sensor removal
ADF rear cover removal
ADF rear side drive parts pack removal
ADF right hinge removal
ADF separation guide removal
ADF separator roller removal
Sensor (ADF 1st scan) removal
Sensor (ADF elevator tray home position) removal
Sensor (ADF lower door interlock) removal
Sensor (ADF top door interlock) removal
ADF tray lift drive removal
Bin extension removal
Deskew idler shaft removal
First scan roll drive gear (40t) removal
Interrupt with flag sensor (ADF 2nd scan) removal
Interrupt with flag sensor (ADF media exit) removal
Magnetic clutch removal
Multifeed sensor parts kit removal
Sensor (ADF gap detect) removal
Sensor (ADF media present) removal
Sensor (ADF pick) removal
Sensor (ADF skew detect) removal
Separation roll drive gear (29t) removal
Flatbed scanner removals
Scanner unit removal
Flatbed scanner assembly removal
Flatbed scanner front cover removal
Flatbed glass cushion removal
Flatbed scanner left cover removal topic
Flatbed scanner right cover removal
Flatbed scanner CCD removal
Flatbed scanner drive parts kit removal
Flatbed scanner glass removal
Flatbed scanner PCBA removal
Flatbed tension pulley with belt removal
250/550-sheet media tray option removals (MX710 and MX711)
250/550-sheet media tray option removal
Media tray separation roller removal
Media tray assembly removal
Media tray front cover removal
Drawer pick roller removal
Sensor (pick roll position) removal
Drawer assembly rear cover removal
Drawer assembly left cover removal
Drawer controller PCBA removal
Drawer upper interface cable removal
Drawer lower interface cable removal
Drawer media feeder removal
Drawer transport motor removal
Sensor (drawer pass through) removal
Sensor (pick) removal
High capacity input tray option removals (MX710 and MX711)
HCIT and drawer assembly removal
HCIT removal
HCIT drawer assembly removal
HCIT separator roll assembly removal
HCIT media guide removal
HCIT front cover removal
HCIT pick arm assembly removal
HCIT drawer assembly rear cover removal
HCIT drawer assembly left cover removal
HCIT drawer assembly right cover removal
HCIT controller PCBA removal
HCIT top cover assembly removal
HCIT lift drive motor removal
HCIT drawer assembly interface cable removal
Sensor (HCIT media low) with flag removal
Sensor (pick roll position) removal
Sensor (HCIT pick) removal
HCIT media feeder removal
550-sheet media tray option removals (MX810, MX811, and MX812)
550-sheet media tray and drawer assembly removal
Media tray separation roller removal
Media tray assembly removal
Media tray front cover removal
Drawer pick roller removal
Sensor (pick roll position) removal
Drawer assembly rear cover removal
Drawer assembly left cover removal
Drawer controller PCBA removal
Drawer upper interface cable removal
Drawer lower interface cable removal
Drawer media feeder removal
Drawer transport motor removal
Sensor (drawer pass through) removal
Sensor (pick) removal
High capacity input tray option removals (MX810, MX811, and MX812)
HCIT and drawer assembly removal
HCIT removal
HCIT drawer assembly removal
HCIT separator roll assembly removal
HCIT media guide removal
HCIT front cover removal
HCIT pick arm assembly removal
HCIT drawer assembly rear cover removal
HCIT drawer assembly left cover removal
HCIT drawer assembly right cover removal
HCIT controller PCBA removal
HCIT top cover assembly removal
HCIT lift drive motor removal
HCIT drawer assembly interface cable removal
Sensor (HCIT closed) with flag removal
Sensor (pick roll position) removal
Sensor (HCIT pick) removal
HCIT media feeder removal
Staple finisher/offset stacker option removals
Staple finisher/offset stacker option removal
Stapler/offset stacker rear door removal
Stapler/offset stacker left cover removal
Stapler/offset stacker top cover removal
Stapler/offset stacker spring with string removal
Media stack flap (right) removal
Media stack flap (left) removal
Standard output bin LED removal
Sensor (finisher/stacker bin media present) removal
Tamper motor (right) removal
Tamper motor (left) removal
Tamper drive belt removal
Paddle drive motor removal
Stapler/offset stacker lower interface cable removal
Stapler/offset stacker controller PCBA removal
Sensor (bin full send) removal
Sensor (bin full receive) removal
Stapler-unique FRU removals
Stapler right cover removal
Stapler cartridge access door removal
Stapler carriage assembly removal
Sensor (cartridge door interlock) removal
Stapler door close limit switch removal
Mailbox option removals
Mailbox assembly removal
Mailbox top cover removal
Mailbox rear door removal
Mailbox right cover removal
Mailbox spring with string removal
Mailbox solenoid removal
Mailbox left cover removal
Mailbox controller PCBA removal
Sensor (mailbox divert motor) removal
Mailbox lower interface cable removal
Mailbox upper interface cable removal
Mailbox divert motor removal
Mailbox media bin full flag removal
Sensor (mailbox bin full receive) removal
Mailbox belt removal
Mailbox output bin LED assembly removal

COMPONENTS LOCATIONS
Connectors
Controller board
ADF controller board
Flatbed controller board

MAINTENANCE
Inspection guide
Scheduled maintenance
Fuser maintenance kits
Replacing fuser maintenance kits
Identifying the type of fuser used in the printer
Resetting the Roller Kit counter
Preventive maintenance
Device-specific preventive maintenance
Lubrication specification
Cleaning the printer
Cleaning the exterior of the printer
Cleaning the scanner glass
Cleaning the printhead lenses

PARTS CATALOG
Legend
Assembly 1: Covers (MX71x)
Assembly 2: Covers (MX81x)
Assembly 3: Paper path
Assembly 4: Fusers
Assembly 5: Electronics
Assembly 6: Drive motors
Assembly 7: Duplex
Assembly 8: Frame
Assembly 9: Control panel (MX71x)
Assembly 10: Control panel 10-inch display (MX81x)
Assembly 11: Paper tray
Assembly 12: ADF assembly
Assembly 13: ADF covers
Assembly 14: ADF mechanical
Assembly 15: ADF electronics
Assembly 16: Flatbed scanner (MX710 and MX711)
Assembly 17: Flatbed scanner (MX810, MX811 and MX812)
Assembly 18: Input options (MX710 and MX711)
Assembly 19: Input options (MX810, MX811 and MX812)
Assembly 20: 250-sheet tray option (MX710 and MX711)
Assembly 21: 550-sheet tray option (MX710 and MX711)
Assembly 22: 550-sheet tray option (MX810, MX811, MX812)
Assembly 23: High capacity input tray option 1 (MX710 and MX711)
Assembly 24: High capacity input tray option 2 (MX710 and MX711)
Assembly 25: High capacity input tray option 3 (MX810, MX811, MX812)
Assembly 26: High capacity input tray option 4 (MX810, MX811, MX812)
Assembly 27: Output options (MX810, MX811, and MX812)
Assembly 28: Staple finisher option 1
Assembly 29: Staple finisher option 2
Assembly 30: Mailbox option 1
Assembly 31: Mailbox option 2
Assembly 32: Offset stacker option 1
Assembly 33: Offset stacker option 2
Assembly 34: Miscellaneous
Assembly 35: Power cords

Appendix A: Printer specifications
Power specifications
Operating clearances
Acoustics
Environment
Processor
Security reset jumper
Printer skew specifications

Appendix B: Options and features
Available internal options
Input options supported
Output options supported
Physical specifications (options)

Appendix C: Theory of operation
Models MX81x and MX71x paper path rollers and sensors
Models MX81x and MX71x sensors
Functions of main components
Media tray assembly
Rear media guide
Side media guide
Media tray
Media feeder
Sensor (media size)
Sensor (pick roller position)
Multi-purpose feeder (MPF)
MPF pick roller
MPF pick solenoid
Registration
Sensor (input)
Sensor (duplex path)
Transfer
Transfer roller
Printhead
Fuser components
Heat belt (belt fuser)
Pressure roll
Thermistor
Sensor (fuser exit)
Exit
Sensor (standard bin full)
Drive
Main drive motor assembly
Fuser drive motor assembly
Toner add motor assembly
Redrive motor assembly
Sensors
Electrical components and controller
Sensor (control panel door interlock)
Sensor (rear door interlock)
Main cooling fan
Cartridge cooling fan
Duplex cooling fan
LVPS board assembly
HVPS board assembly
Controller board
Xerographic and print cartridge components
Document scanning at ADF
Document scanning at platen
Names and functions of components
Flatbed scanner
ADF components
Supported paper sizes, types, and weights
Paper types and weights supported by the printer
Paper sizes supported by the printer
Paper sizes, types, and weights supported by the optional finishers
Output options theory
Mailbox theory
Staple finisher theory

Appendix D: Acronyms
Acronyms
Index
Part number index
Part name index

Number of pages: 834.