Lexmark MS821n MS821dn MS822de MS725dvn MS823n MS823dn MS825dn MS826de B2865dw M5255 M5270 Service Manual and Parts Catalog

Machine type / model: 4064-210 4064-230 4064-235 4064-830 4064-410 4064-430 4064-630 4064-635 4064-438 4064-295 4064-695


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.
Present service manual and parts catalog Lexmark MS821n MS821dn MS822de MS725dvn MS823n MS823dn MS825dn MS826de B2865dw M5255 M5270 contain clear instructions and procedures on how to fix the problems occurring in your equipment.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
Table of contents:

Product information
Edition notice
Notices, conventions, and safety information
Laser notice
Conventions
Safety information
General caution statements
Change history
Change history

GENERAL INFORMATION
Printer model configurations
Paper support
Supported paper sizes
Supported paper types
Supported paper weights
Tools required for service

DIAGNOSTICS AND TROUBLESHOOTING
Troubleshooting overview
Performing the initial troubleshooting check
Using Safe Mode
Fixing print quality issues
Initial print quality check
Gray background on prints check
Printer is printing blank pages check
Print is too dark check
Print is too light check
Paper curl check
Folded or wrinkled paper check
Printer is printing solid black pages check
Repeating defects appear on prints check
Skewed print check
Streaked vertical lines appear on prints check
Horizontal light bands check
Vertical light bands check
Vertical dark bands check
Vertical dark streaks with print missing check
White streaks and voided areas check
Fine lines are not printed correctly check
Clipped pages or images check
Compressed images appear on prints check
Incorrect margins on prints check
Toner rubs off check
Toner specks appear on prints check
Paper jams
Avoiding jams
Identifying jam locations
Paper jam in trays
Paper jam in door A
Paper jam in door C
Paper jam in the standard bin
Paper jam in the multipurpose feeder
Paper jam in the output expander
Paper jam in the high-capacity output expander
Paper jam in the 4-bin mailbox
Paper jam in the staple finisher
Paper jam in the staple, hole punch finisher
Staple jam in the staple finisher
Staple jam in the staple, hole punch finisher
200 paper jams
200 paper jam messages
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
Sensor (input) static jam service check
Sensor (input) early-leaving jam service check
202-221 paper jams
202-221 paper jam messages
Sensor (fuser exit) early-arriving jam service check
Sensor (fuser exit) late-arriving jam service check
Sensor (fuser exit) early-leaving jam service check
Sensor (fuser exit) late-leaving jam service check
Sensor (fuser exit) static jam service check
Sensor (narrow media) static jam service check
230 paper jams
230 paper jam messages
Sensor (duplex path) early-arriving jam service check
Sensor (duplex path) late-arriving jam service check
Sensor (duplex path) early-leaving jam service check
Sensor (duplex path) late-leaving jam service check
Sensor (duplex path) static jam service check
232 paper jams
232 paper jam messages
Sensor (input) late-arriving jam (during duplex print) service check
Sensor (input) early-leaving jam (during duplex print) service check
Sensor (input) late-leaving jam (during duplex print) service check
240 paper jams
240 paper jam messages
MPF drive control failure service check
241 paper jams
241 paper jam messages
Tray 1 pick jam service check
Tray 1 paper feeder control failure service check
Sensor (tray 1 pass-through) static jam service check
Sensor (tray 1 pass-through) late-arriving jam service check
Sensor (tray 1 pass-through) late-leaving or did-not-clear jam service check
242 paper jams
242 paper jam messages
Sensor (tray 2 pass-through) static jam service check
Tray 2 pick jam service check
Sensor (tray 2 pass-through) late-arriving or late-leaving jam service check
Sensor (tray 2 pass-through) unknown source pick jam service check
Sensor (tray 2 pass-through) unknown source late-arriving or late-leaving jam service check
250- and 550-sheet tray transport drive jam service check
2100-sheet tray elevator drive jam service check
243 paper jams
243 paper jam messages
Sensor (tray 3 pass-through) static jam service check
Tray 3 pick jam service check
Sensor (tray 3 pass-through) late-arriving or late-leaving jam service check
Sensor (tray 3 pass-through) unknown source late-arriving or late-leaving jam service check
Sensor (tray 3 pass-through) unknown source pick jam service check
244 paper jams
244 paper jam messages
Sensor (tray 4 pass-through) static jam service check
Tray 4 pick jam service check
Sensor (tray 4 pass-through) late-arriving or late-leaving jam service check
245 paper jams
245 paper jam messages
Sensor (tray 5 pass-through) static jam service check
Tray 5 pick jam service check
40y paper jams
405-407 paper jam messages
Output expander diverter drive jam service check
Sensor (OE pass-through) late-arriving jam service check
Sensor (OE pass-through) late-leaving jam service check
410-412 paper jams
410-412 paper jam messages
HCOE diverter drive jam service check
HCOE transport drive jam service check
Sensor (HCOE pass-through) static jam service check
Sensor (HCOE pass-through) late-arriving or late-leaving jam service check
415-418 paper jams
415-418 paper jam messages
Mailbox diverter drive jam service check
Mailbox transport drive jam service check
Sensor (mailbox pass-through 1) static jam service check
Sensor (mailbox pass-through 1) late-arriving or late-leaving jam service check
Sensor (mailbox pass-through 2) static jam service check
Sensor (mailbox pass-through 2) late-arriving or late-leaving jam service check
420 paper jams
420 paper jam messages
Sensor (staple finisher pass-through) static jam service check
Sensor (staple finisher pass-through) early- or late-arriving jam service check
Sensor (staple finisher pass-through) late leaving jam service check
Sensor (HPU leading edge) jam service check
SHPF transport drive jam service check
421-429 paper jams
421-429 paper jam messages
Left tamper jam service check
Right tamper jam service check
Staple finisher paddle jam service check
Staple finisher diverter jam service check
Staple jam service check
Sensor (staple throat paper present) jam service check
SHPF left tamper jam service check
SHPF right tamper jam service check
SHPF ejector jam service check
SHPF paddle jam service check
SHPF diverter jam service check
SHPF staple jam service check
SHPF staple throat jam service check
430-434 paper jams
430-434 paper jam messages
SHPF stapler head prime failure service check
SHPF elevator top jam service check
SHPF left staple jam service check
SHPF left staple throat jam service check
435-438 paper jams
435-438 paper jam messages
Staple finisher stack jam service check
Staple finisher timeout error service check
SHPF stack jam service check
SHPF timeout error service check
44y paper jams
440-444 paper jam messages
Sensor (HPU leading edge) hole punch jam service check
Sensor (HPU trailing edge) jam service check
Sensor (SHPF light array) jam service check
SHPF hole punch drive failure service check
User attendance messages
10-32 user attendance errors
10-32 user attendance messages
Toner cartridge smart chip error service check
Imaging unit smart chip error service check
Fuser smart chip error service check
Unsupported third party supply service check
4y user attendance errors
41-44 user attendance messages
Incompatible Lexmark supply service check
Region mismatch service check
Toner cartridge shutter error service check
5y user attendance errors
58-59 user attendance messages
Excess optional trays or optional bins service check
Incompatible optional trays or optional bins service check
8y user attendance errors
80-88 user attendance messages
Printer hardware errors
111 errors
111 error messages
Printhead error service check
12y errors
120 error messages
121 error messages
126 error messages
Fuser drive failure service check
Fuser temperature error service check
LVPS failure service check
133 errors
133 error messages
Imaging unit CTLS failure service check
14y errors
140 error messages
147 error messages
149 error messages
Main drive failure service check
Redrive drive failure service check
15y errors
150 error messages
155 error messages
Duplex drive failure service check
Toner cartridge drive failure service check
160-161 errors
160 error messages
161 error messages
MPF drive failure service check
Tray 1 pick drive failure service check
162-169 errors
162 error messages
163 error messages
164 error messages
165 error messages
166 error messages
167 error messages
168 error messages
169 error messages
Optional tray pick drive failure service check
Tray 2 transport motor failure service check
Tray 2 transport drive failure service check
Tray 3 transport motor failure service check
Tray 3 transport drive failure service check
Tray 4 transport motor failure service check
Tray 4 transport drive failure service check
Tray 5 transport motor failure service check
Tray 5 transport drive failure service check
2100-sheet tray transport and elevator drive failure service check
17y errors
171 error messages
173 error messages
Main fan failure service check
Cartridge fan failure service check
6yy errors
6yy error messages
Optional tray lift jam service check
Optional tray pick/lift drive failure service check
Optional tray transport drive failure service check
Procedure before starting the 9yy service checks
900 errors
900-909 error messages
System software error service check
9yy errors
912-992 error messages
Optional tray communication error service check
Optional bin hardware errors
306 errors
306 error messages
Output expander transport drive failure service check
311 errors
311 error messages
HCOE transport drive failure service check
316 errors
316 error messages
Mailbox transport drive failure service check
32y errors
320-323 error messages
Staple finisher transport drive failure service check
Staple finisher ejector drive failure service check
331 errors
331 error messages
SHPF elevator drive failure service check
Other symptoms
Base printer symptoms
Base printer symptoms
Network service check

SERVICE MENUS
Understanding the printer control panel
Lexmark B2865, Lexmark MS725, Lexmark MS821, Lexmark MS823, and Lexmark MS825
Lexmark M5255, Lexmark M5265, Lexmark M5270, Lexmark MS822, and Lexmark MS826
Understanding the status of the power button and indicator light
Diagnostics menu
Entering the Diagnostics menu
Reports
Device Settings
Installed Licenses
Advanced Print Quality Samples
Event Log
Display Log
Print Log
Print Log Summary
Mark Log
Input tray quick print
Output bin quick feed
Printer Setup
Printed page count (mono)
Permanent page count
Enable edge-to-edge (printing)
Processor ID
Serial number
Model name
Engine setting [x]
EP setup
Printer diagnostics and adjustments
Sensor tests
Motor tests
Registration adjust
Add-on cards tests
Margin Offset
Universal Override
Additional input tray diagnostics
Sensor tests
Motor tests
Output device diagnostics
Sensor tests
Config Menu
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

PARTS REMOVAL
Removal precautions
Data security notice
Handling ESD-sensitive parts
Controller board/control panel replacement
Restoring the printer configuration after replacing the controller board
Restoring solutions, licenses, and configuration settings
Updating the printer firmware
Backing up eSF solutions and settings
Disconnecting ribbon cables
Adjustments
Registration adjustment
Aligner roller adjustment
Polygon printhead mechanical registration adjustment
Removal procedures
Left side removals
Left cover removal
AC power socket removal
Main motor drive removal
Fuser drive gears removal
Main fan removal
Motor (MPF) removal
LVPS removal
Paper feeder removal
Motor (redrive) removal
Sensor (toner smart chip) removal
Right side removals
Right cover removal
HVPS removal
Cartridge fan removal
Controller board access door removal
Controller board removal
Speaker removal
High voltage contacts guide removal
Toner cartridge shutter actuator removal
Sensor (toner cartridge shutter) removal
Front side removals
Front door bracket removal
Front door removal
Duplex/MPF tray removal
Inner left cover removal
Inner right cover removal
Inner guide deflector removal
Sensor (duplex interlock) removal
Aligner removal
Sensor (input) removal
MPF pick roller removal
Control panel (4.3-inch display) removal
Sensor (toner low) removal
Transfer roller removal
Sensor (toner density) removal
Rear side removals
Rear door removal
Rear cover removal
Motor (duplex) removal
Fuser removal
Sensor (rear door interlock) removal
Upper redrive removal
Top side removals
Top cover removal
Printhead removal
Bin full sensor cover removal
Sensor (standard bin full) removal
Bin cover removal
Bottom side removals
Tray insert removal
Separator pad removal
Pick roller removal
Optional tray drive gear removal
Sensor (duplex path) with cover removal
Sensor (paper size) removal
Sensor (tray 1 pass-through) removal
Sensor (tray 1 pick) removal
Optional 2100-sheet tray removals
Optional 2100-sheet tray removal
A5 length guide removal
2100-sheet tray insert removal
2100-sheet tray rear cover removal
2100-sheet tray left cover removal
2100-sheet tray right cover removal
Motor (2100-sheet tray transport) removal
2100-sheet tray top cover removal
2100-sheet tray front cover removal
Sensor (2100-sheet tray pick) removal
2100-sheet tray controller board removal
2100-sheet tray elevator drive removal
Sensor (2100-sheet tray paper size) removal
2100-sheet tray interface cable removal
2100-sheet tray bellcrank removal
2100-sheet tray rails removal
Sensor (2100-sheet tray near empty) removal
Sensor (2100-sheet tray A5 length guide) removal
Sensor (2100-sheet tray pick roller index) removal
Sensor (2100-sheet tray paper present) removal
2100-sheet tray paper feeder removal
Optional 250- and 550-sheet tray removals
Optional 250- and 550-sheet tray removal
250- and 550-sheet tray left cover removal
250- and 550-sheet tray right cover removal
250- and 550-sheet tray rear cover removal
250- and 550-sheet tray insert front cover removal
Tray level indicator removal
Pick roller removal
Motor (250- and 550-sheet tray transport) removal
250- and 550-sheet tray paper feeder removal
250- and 550-sheet tray controller board removal
Sensor (250- and 550-sheet tray pass-through) removal
Sensor (250- and 550-sheet tray pick) removal
Sensor (250- and 550-sheet tray pick roller index) removal
Sensor (250- and 550-sheet tray paper present) removal
250- and 550-sheet tray interface cable removal
Sensor (250- and 550-sheet tray paper size) removal
250- and 550-sheet tray paper size sensor actuator removal
Optional output expander removals
Optional output expander removal
Output expander top cover removal
Output expander rear door removal
Output expander sensor cover removal
Output expander bin full flag removal
Sensor (OE bin full) with flag removal
Output expander right cover removal
Output expander left cover removal
Output expander controller board removal
Output expander lower interface cable removal
Output expander upper interface cable removal
Output expander spring with string removal
Output expander latch removal
Motor (OE diverter) removal
Output expander diverter plunger assembly removal
Output expander drive gear removal
Motor (OE transport) removal
Sensor (OE rear door interlock) removal
Sensor (OE diverter plunger) removal
Output expander diverter spring removal
Output expander diverter removal
Output expander drive belt removal
Output expander belt tensioner removal
Output expander bin removal
Sensor (OE pass-through) removal
Optional high capacity output expander removals
Optional high capacity output expander removal
HCOE top cover removal
HCOE rear door removal
HCOE sensor cover removal
HCOE bin full flag removal
Sensor (HCOE bin full) with flag removal
HCOE right cover removal
HCOE left cover removal
HCOE controller board removal
HCOE lower interface cable removal
HCOE upper interface cable removal
HCOE latch removal
Motor (HCOE diverter) removal
Sensor (HCOE bin) removal
HCOE bin spring removal
HCOE bin pinion removal
Sensor (HCOE rear door interlock) removal
HCOE drive belt removal
HCOE belt tensioner removal
HCOE diverter plunger assembly removal
HCOE drive gear assembly removal
Motor (HCOE transport) removal
Sensor (HCOE diverter) removal
HCOE top diverter spring removal
HCOE top diverter removal
HCOE bin shaft removal
HCOE bin removal
Sensor (HCOE pass-through) removal
Optional staple finisher removals
Optional staple finisher removal
Staple finisher rear door removal
Staple finisher left cover removal
Staple finisher right cover removal
Staple finisher top cover removal
Staple finisher controller board removal
Sensor (staple finisher door) removal
Motor (staple finisher paddle) removal
Staple unit removal
Staple finisher interface cable removal
Motor (staple finisher diverter) removal
Sensor (staple finisher diverter plunger) removal
Motor (staple finisher transport) removal
Standard bin LED removal
Sensor (staple finisher bin paper present) removal
Staple finisher diverter plunger assembly removal
Staple finisher drive gear assembly removal
Sensor (staple finisher bin full send) removal
Sensor (staple finisher bin full receive) removal
Staple finisher paddle gear removal
Sensor (staple finisher rear door interlock) removal
Staple finisher bin spring removal
Staple finisher bin link assembly removal
Staple finisher latch removal
Staple finisher spring with string removal
Sensor (staple finisher paddle) removal
Motor (staple finisher right tamper) removal
Motor (staple finisher left tamper) removal
Tamper drive belt removal
Sensor (staple finisher right tamper) removal
Sensor (staple finisher left tamper) removal
Staple finisher bin LED removal
Tamper aligner removal
Staple finisher stack height assembly removal
Staple finisher paper stack flap removal
Staple finisher entrance roller removal
Staple finisher chute assembly removal
Staple finisher ejector assembly removal
Sensor (staple finisher ejector) removal
Sensor (staple finisher pass-through) removal
Staple cartridge access door removal
Sensor (staple throat paper present) removal
Staple cartridge door close limit switch removal
Optional 4-bin mailbox removals
Optional 4-bin mailbox removal
Mailbox top cover removal
Mailbox rear door removal
Mailbox right cover removal
Mailbox top bin cover with bail removal
Mailbox spring with string removal
Mailbox left cover removal
Mailbox solenoid removal
Mailbox latch removal
Sensor (mailbox rear door interlock) removal
Mailbox diverter plunger assembly removal
Mailbox transport drive gear removal
Motor (mailbox transport) removal
Mailbox controller board removal
Sensor (mailbox diverter plunger) removal
Mailbox lower interface cable removal
Mailbox upper interface cable removal
Motor (mailbox diverter) removal
Mailbox bin full flag removal
Sensor (mailbox bin full) removal
Mailbox belt removal
Mailbox bin LED assembly removal
Mailbox top diverter removal
Mailbox middle diverter removal
Mailbox top diverter spring removal
Sensor (mailbox pass-through) removal
Optional staple, hole punch finisher removals
Optional staple, hole punch finisher removal
Left staple cartridge access door removal
Staple, hole punch finisher left cover removal
Staple, hole punch finisher right cover removal
Staple, hole punch finisher top cover removal
Staple cartridge holder removal
Staple, hole punch finisher controller board removal
Motor (SHPF paddle) removal
SHPF staple cartridge door close limit switch removal
Left staple unit removal
Sensor (SHPF diverter plunger) removal
Staple, hole punch finisher interface cable removal
Motor (SHPF diverter plunger) removal
Motor (SHPF transport) removal
SHPF diverter plunger assembly removal
SHPF drive gear assembly removal
Sensor (SHPF rear door interlock) removal
Punch drive gears removal
Staple, hole punch finisher elevator drive removal
Sensor (hole punch) removal
Motor (HPU carriage) removal
Right staple unit removal
Sensor (hole punch box present) removal
Sensor (SHPF staple throat paper present) removal
SHPF bin link tension spring removal
SHPF bin link assembly removal
Sensor (SHPF bin full send) removal
Sensor (SHPF bin full receive) removal
Staple, hole punch finisher latch removal
Sensor (SHPF paddle) removal

COMPONENTS LOCATIONS
Printer configurations
Attaching cables
Printer roller locations
Printer sensor locations
Output expander locations
High capacity output expander locations
Mailbox locations
Staple, hole punch finisher locations
Printer controller board connectors

MAINTENANCE
Scheduled maintenance
Fuser maintenance kits
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 printer
Cleaning the printhead glass
Emptying the hole punch box

PARTS CATALOG
Legend
Assembly 1: Covers
Assembly 2: Fuser
Assembly 3: Electronics 1
Assembly 4: Electronics 2
Assembly 5: Motors
Assembly 6: Sensors 1
Assembly 7: Sensors 2
Assembly 8: Duplex
Assembly 9: Frames
Assembly 10: Control panel (2.4-inch display)
Assembly 11: Control panel (4.3-inch display)
Assembly 12: Tray/feed
Assembly 13: Miscellaneous
Assembly 14: 250- and 550-sheet tray options 1
Assembly 15: 250- and 550-sheet tray options 2
Assembly 16: 2100-sheet tray option 1
Assembly 17: 2100-sheet tray option 2
Assembly 18: 2100-sheet tray option 3
Assembly 19: Optional bins
Assembly 20: Output expander 1
Assembly 21: Output expander 2
Assembly 22: Output expander 3
Assembly 23: Output expander 4
Assembly 24: High capacity output expander 1
Assembly 25: High capacity output expander 2
Assembly 26: High capacity output expander 3
Assembly 27: High capacity output expander 4
Assembly 28: Staple finisher 1
Assembly 29: Staple finisher 2
Assembly 30: Staple finisher 3
Assembly 31: Staple finisher 4
Assembly 32: Staple finisher 5
Assembly 33: Mailbox 1
Assembly 34: Mailbox 2
Assembly 35: Mailbox 3
Assembly 36: Staple, hole punch finisher 1
Assembly 37: Staple, hole punch finisher 2
Assembly 38: Staple, hole punch finisher 3
Assembly 39: Staple, hole punch finisher 4
Assembly 40: Staple, hole punch finisher 5

PRINTER SPECIFICATIONS
Power consumption
Product power consumption
Sleep Mode
Hibernate Mode
Off mode
Total energy usage
Selecting a location for the printer
Noise emission levels
Temperature information
Enabling the security reset jumper

OPTIONS AND FEATURES
Available internal options
Optional trays supported
Optional bins supported
Options configurations

THEORY OF OPERATION
Print cycle operation
Flowchart
Electrophotographic (EP) process
Fresh toner delivery drive
Main drive
Printer operation
Printer sections
Printer paper path rollers
Printer paper path sensors
Tray pick and lift drive
MPF pick drive
Lower transport drive
Main drive
Fuser drive
Upper redrive drive
Duplex transport drive
Optional 2100-sheet tray operation
2100-sheet tray elevator drive
2100-sheet tray pick drive
2100-sheet tray transport drive
Optional output expander operation
Output expander paper path
Output expander diverter drive
Output expander transport drive
Optional high capacity output expander operation
High capacity output expander paper path
HCOE diverter and transport drive
Optional mailbox operation
Mailbox paper path rollers
Mailbox paper path sensors
Mailbox diverter drive
Mailbox transport and exit drive
Optional staple, hole punch finisher operation
SHPF layout
SHPF paper path rollers
SHPF paper path sensors
SHPF entrance drive
SHPF HPU transport drive
SHPF hole punch drive
SHPF exit drive
Paper stack edge alignment drives
Paper stack height detection
SHPF ejector drive
SHPF elevator drive
SHPF bin clamp drive

ACRONYMS
Acronyms

INDEX
Part number index
Part name index

Lexmark MS821n MS821dn MS822de MS725dvn MS823n MS823dn MS825dn MS826de B2865dw M5255 M5270 4064-210 4064-230 4064-235 4064-830 4064-410 4064-430 4064-630 4064-635 4064-438 4064-295 4064-695 B2865 M52xx MS725 MS82x printers