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LEXMARK C750, 5060-00x Service Manual & Parts List
This service manual, is the full LEXMARK C750, 5060-00x Service Repair Manual.
This manual, LEXMARK C750, 5060-00x, is in the PDF format and have detailed Diagrams, pictures and full procedures to diagnose and repair your LEXMARK C750, 5060-00x copier.
You can print, zoom or read any diagram, picture or page from this Service Manual. Every chapter on this manual is fully detailed and contain all the simulation codes, trouble codes, maintenance procedures, reset procedures, diagnose procedures of LEXMARK C750, 5060-00x photocopier. You can find easily everything what do you need.
To see what contain, please read table of contents:
Notices and safety information
Laser notice
Safety information
Preface
Definitions
GENERAL INFORMATION
Tools required for service
Options and features
High performance
Print quality
Heavy volume reliability
Automatic calibration
Resolution
Toner darkness
Printer specifications
Dimensions
Power and electrical specifications
Electrical specifications
Operating clearances
Fuser web oiler upgrade kit and replacements
Acoustics
Environment
Print speed and performance print speed
Media specifications
Acronyms
DIAGNOSTIC INFORMATION
Start
POR (power-on reset) sequence
Symptom tables
Symptom table-base printer
Symptom table-500-sheet drawer option
Symptom table-HCIT 2000-sheet option
Symptom table-output expander option
Symptom table-5-bin mailbox option
Symptom table-finisher option
Error code table
9xx service errors
1xx service errors
Sub error code table
Programming errors - P101 through P116
Understanding the printer operator panel
Operator panel buttons
Color Menu
Utilities Menu
2xx Paper jam message table
User attendance message table
Service checks
100 ITU Error
120 Error code
121 Error code
122 Error code
123 Error code
124 Error code
125 Error code
126 Error code
127 Error code
128 Error code
129 Error code
130 Error code
131 Error code
132 Error code
133 Error code
134 Error code
135 Error code
136 Error code
148 Error code
149 Error code
150 Error code
151 Error code
152 Error code
153 Error code
154 Error code
155 Error code
156 Error code
157 Error code
158 Error code
159 Error code
160 Error code
161 Error code
162 Error code
163 Error code
164 Error code
165 Error code
200 Paper jam-Tray 1
200 Paper jam-Options and envelope feeder
201 Paper jam
201 Paper jam
202 Paper jam
230 Paper jam
24x Paper jam
Printer configuration and 24x paper jam codes
Printer configuration diagrams for 24x paper jams
250 Paper jam
271 Paper jam - Check Bin 1
272 Paper jam - Check Bin x
274 Paper jam - Check Bin 4
280 Paper jam
900 RIP Software Error
925 Error code
926 Error code
927 Error code
930 Error code
940 Error code
941 Error code
942 Error code
943 Error code
990 Service error
5-Bin mailbox option service check
500-Sheet drawer option service check
AC and DC power service check
Autocompensator service check
Black only retract (BOR) service check
Close door/HVPS/printhead interlock switch service check
Duplex option service check
Finisher service check
Fuser service check
High-capacity input tray (HCIT) 2000-sheet option service check
Operator panel LCD/status LED/buttons service check
Output Expander option service check
Print quality service checks
Horizontal line
Horizontal lines or streaks
Vertical lines or streaks
Light lines or streaks appear on the page
White streak in color plane
Blank page (no image)
Entire page is mostly one color-Full bleed planes in one color
Missing colors-Complete or partially missing color planes
Black and white only-cyan, magenta, and yellow are missing
Light print over the entire page
All colors have light print over the entire page
One color has light print over the entire page
Low image density
Poor color alignment
Negative ghosting or faded image
Residual image
Uneven printing
Toner smears or rubs off the page with no error code displayed
Smudged or distorted images on fused page
Toner is on the back of the printed page
Transparency print quality is poor
Second transfer roll service check
Tray 1 service check
Tray 1 paper size sensing service check
DIAGNOSTIC AIDS
Diagnostic aids
Printhead diagnostics
Print quality defect locator chart
Partial Print Test
Configuration Menu
Entering CONFIG MENU
Black&White Lock
Fuser Cnt Value
Reset Fuser Cnt
Color Trapping
SIZE SENSING
TYPE SENSING
SENSED TRANS
SENSED PAPER
CALIBRATE TRAYS
Panel Menus
PPDS Emulation
Download Emuls
Demo Mode
Factory Defaults
Energy Conserve
ITU Alignment
Auto Color Adjust
Exit Config Menu
DIAGNOSTIC MODE
Entering Diagnostics Mode
Exiting Diagnostics Mode
REGISTRATION
ALIGNMENT
Cyan, Yellow, Magenta
Drift Sensors
To exit the test, press Return or Stop
TOP FINE MAR ADJ
MISC TESTS
Motor Detect
Belt Tracking (ITU 4th point adjustment)
PRINT TESTS
Print Tests (input source)
Prt Quality Pgs
Prt Line Len Pg
HARDWARE TESTS
LCD Test
Button Test
DRAM Test
CACHE Test
ROM Test
Parallel Wrap Test
Serial Wrap Test
DUPLEX TESTS
Quick Test
Top Margin
Sensor Test
INPUT TRAY TESTS
Feed Test
Sensor Test
OUTPUT BIN TESTS
Feed Test
Feed to All Bins
Diverter Test
Sensor Test
FINISHER TESTS
Staple Test
Feed Test
Sensor Test
Hole Punch
BASE SENSOR TEST
DEVICE TESTS
Quick Disk Test
Disk Test/Clean
Flash Test
PRINTER SETUP
Defaults
Reset Calibrat
Page Count
Perm Page Count
Serial Number
Engine Setting x
Model Name
Configuration ID
Edge to Edge
Cal Ref Adj
EP SETUP
EP Defaults
Fuser Temp
DC Charge Adjust
Dev Bias Adj
Transfer Adjust
ERROR LOG
View Log
Clear Log
High-capacity input tray tests
HCIT Standalone Test Mode
Dip Switch Settings
REPAIR INFORMATION
Handling ESD-sensitive parts
Screw identification table
Removal procedures
Top cover assembly removal
Rear fan cover removal
Rear cover removal
Front right handle cover assembly removal
Front left handle cover assembly removal
Front cover assembly removal
Lower right door assembly removal
Left lower cover removal
Lower jam access door assembly removal
Redrive door removal
Paper path access door cover removal
Front lower left cover removal
Autocompensator pick assembly removal
BOR drive assembly removal
Cartridge contact assembly removal
Cartridge drive assembly removal
Cartridge rail assembly
Developer HVPS board removal
Engine board removal
Engine board shield removal
Friction buckler removal
Fuser assembly removal
Fuser bottom duct removal
Fuser drive assembly removal
Fuser fan removal
Fuser top duct removal
Fuser web oiler motor assembly removal
ITU assembly removal
ITU drive assembly removal
ITU drive motor removal
Low voltage power supply (LVPS) removal
Multipurpose feeder (MPF) removal
Nip relief handle removal
Operator panel removal
Outer EMC shield removal
Paper size sensing assembly removal
Pick rolls
Printhead removal and adjustment
Printhead mechanical alignment
Printer registration (only for black printhead replacement)
Electronic color alignment
Print line length calibration
Printhead thermistor card removal
PSD sensor assembly removal
Rear bellcrank removal (cyan, magenta, yellow)
Rear bellcrank removal (black)
Redrive assembly removal
Registration motor removal
RIP board removal
RIP fan removal
RIP board shield assembly removal
S2/NMS/transparency sensor assembly removal
Second transfer roll removal
Transfer HVPS board removal
Transfer plate assembly
Vacuum transport belt (VTB) removal
Vacuum transport belt (VTB) fan removal
Waste container door removal
Waste container latch removal
Web oiler fuser kit installation
CONNECTOR LOCATIONS
Locations
Printer boards
Printer motors
Printer sensors
Cartridge contact assembly pin locations
Engine board cabling
RIP board cabling
Connectors
Engine board
RIP board
Transfer high voltage power supply (HVPS)
Developer high voltage power supply (HVPS) board
Low voltage power supply (LVPS)
Low voltage power supply (LVPS)
High-capacity input tray (2000-sheet HCIT) board
High-capacity output finisher (HCOF)
HCOF LVPS board
HCOF SUB LVPS relay board
HCOF system board
PREVENTIVE MAINTENANCE
Safety inspection guide
Lubrication specifications
Lubrication for replacement motors
Fuser drive assembly
Cartridge drive assembly
ITU drive assembly
Scheduled maintenance
PARTS CATALOG
How to use this parts catalog
Assembly 1: Covers
Assembly 2: Cartridge mounting
Assembly 3: Fuser
Assembly 4: Fuser drive
Assembly 5: Vacuum transport belt assembly
Assembly 6: Transfer
Assembly 7: Printheads
Assembly 8: Paper feed output (redrive)
Assembly 9: Paper feed input
Assembly 10: Paper size sensing
Assembly 11: Paper feed transport
Assembly 12: Multipurpose feeder (MPF)
Assembly 13: 500-sheet integrated tray
Assembly 14: Autocompensator assembly
Assembly 15: ITU assembly
Assembly 16: ITU drive assembly
Assembly 17: ITU loading
Assembly 18: BOR drive assembly
Assembly 19: Cartridge contact assembly
Assembly 20: Cartridge drive assembly
Assembly 21: Electronics
Assembly 22: Electronic cabling-engine board
Assembly 23: Electronic cabling-RIP board
Assembly 24: Electronic cabling-transfer HVPS
Assembly 25: Electronic cabling-developer HVPS
Assembly 26: Output expander
Assembly 27: 5-bin mailbox
Assembly 28: 500-sheet drawer option
Assembly 29: Duplex option
Assembly 30: High-capacity input tray (HCIT)
Assembly 31: High-capacity output finisher (HCOF)
Assembly 32: High-capacity output finisher cables
Assembly 33: Options
Assembly 34: Miscellaneous
Appendix A: Service tips
Printhead diagnostics
Printhead alignment
Identifying the printheads
Printhead mechanical alignment
Printer registration (only for black printhead replacement)
Electronic color alignment
Print line length calibration
Partial Print Test
Nip relief handle replacement
Finisher alignment
Duplex option deflector button replacement
Appendix B: Print quality samples
Print Menus-Page one of two
Print Menus-Page two of two
Print tests
Print Quality Pages-Title page (total of five)
Print Quality Pages-Page 1 (total of five)
Print Quality Pages-Page 2 (total of five)
Print Quality Pages-Page 3 (total of five)
Print Quality Pages-Page 4 (total of five)
Registration
Quick Test
Alignment test pages
Printhead alignment test pages-magenta (one of three)
Printhead alignment test page-yellow (two of three)
Printhead alignment test page-cyan (three of three)
Print Line Len page
Index
Part number index
Numbers of pages: 494.
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