Lexmark C2240 C2325dw C2425dw C2535dw CS421dn CS521dn CS622de Service Manual and Parts Catalog

Accurate 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 C2240 C2325dw C2425dw C2535dw CS421dn CS521dn CS622de 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
Safety information
Change history
Change history

Printer model configurations
Finding the serial number
Paper support
Supported paper sizes
Supported paper types
Supported paper weights
Tools required for service

Troubleshooting precautions
Troubleshooting overview
Performing the initial troubleshooting check
Fixing print quality issues
Initial print quality check
Supplies used to resolve print quality issues
Blurred print check
Misaligned color check
Toner easily rubs off check
Gray or solid background check
Solid color or black image check
Blank or white pages check
Horizontal white lines check
Horizontal colored lines or banding check
Text or images cut off check
Mottled print and dots check
Vertical white lines check
Ghost images check
Dark print check
Missing color check
Uneven print density check
Repeating defects check
Light print check
Skewed print check
Toner patch sensing service check
Auto alignment service check
Paper jams
Avoiding jams
Identifying jam locations
User attendance messages
Non-Lexmark supply
Non-supply user attendance errors
Printer hardware errors
Other symptoms
Base printer symptoms
Input option symptoms

Using the control panel
Lexmark C2325
Lexmark CS421, Lexmark CS521, Lexmark C2425, and Lexmark C2535
Lexmark CS622 and Lexmark C2240
Understanding the status of the power button and indicator light
Using the home screen
Configuring the door interlock bypass jumpers
Diagnostics menu
Entering the Diagnostics menu
Advanced Print Quality Samples
Event Log
Input tray quick print
Printer Setup
Printer diagnostics and adjustments
Additional input tray diagnostics
Configuration Menu
Service Engineer menu
Entering the Service Engineer (SE) menu
General SE
Network SE
Entering Invalid engine mode
Entering Recovery mode

Data security notice
Removal precautions
Handling ESD-sensitive parts
Critical information for controller board or 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
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
Registration adjustment
Entering the TPS characterization data
Removal procedures
Left side removals
Left cover removal
Motor (drive unit) removal
EP drive assembly removal
LVPS removal
Sensor (fuser exit) removal
Speaker (CS622) removal
Right side removals
Right cover removal
Toner supply door removal
Motor (fuser drive) removal
TMC card removal
Sensors (toner patch) removal
Developer unit removal
HVPS removal
Transfer module removal
Imaging kit removal
Toner cartridge contacts removal
Waste toner bottle removal
Waste toner bottle contact block removal
Front removals
Front door removal
Front door inner deflector removal
Interlock switch cover assembly removal
Control panel base removal
2-line control panel badge cover removal
2.4-inch control panel badge cover removal
4.3-inch control panel badge cover removal
2-line control panel bezel removal
2.4-inch control panel bezel removal
4.3-inch control panel bezel removal
2-line control panel assembly removal
2-line control panel top cover removal
2.4-inch control panel top cover removal
4.3-inch control panel top cover removal
2.4-inch control panel keypad removal
Weather station removal
Wireless card removal
Front USB cable removal
Fuser removal
Exit deflector removal
Bottom removals
Pick tires removal
Lower left frame removal
Lower right frame removal
Sensor (duplex) removal
Transfer module guide removal
Sensor (tray present) removal
Tray 1 media feeder removal
Rear side removals
System fan removal
Rear cover removal
Controller board removal
Top side removals
Top cover removal
Sensor (narrow media/output bin full) removal
Narrow media/bin full sensor flag removal
Printhead removal
Right output bin deflector removal
Options removals
650-sheet duo tray insert removal
650-sheet duo tray removal
Dust cover removal
Pick tire removal

Printer configurations
Controller board connectors
Motor locations
Sensor locations

Inspection guide
Scheduled maintenance
Maintenance kits
Resetting the maintenance counter
Cleaning the printer parts
Cleaning the printer
Cleaning the printhead lenses

Assembly 1: 2-line control panel
Assembly 2: 2.4-inch and 4.3-inch control panel
Assembly 3: Covers
Assembly 4: Paper path and frame
Assembly 5: Electronics
Assembly 6: Cables and sensors
Assembly 7: Option trays
Assembly 8: Miscellaneous
Assembly 9: Maintenance kits

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

Available internal options
Adding available options in the print driver
Input/output configurations and capacities

Paper path and transport components
Paper path information
Transport components
Print engine theory
Electrophotographic process (EP process)
Electrophotographic process basics
Color theory
Color theory


Part number index
Part name index

Lexmark C2240 C2325dw C2425dw C2535dw CS421dn CS521dn CS622de C2240 C2325 C2425 C2535 CS421 CS521 CS622