The following paragraph does not apply to any country where such provisions are inconsistent with local law: LEXMARK
INTERNATIONAL, INC., PROVIDES THIS PUBLICATION “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS OR
IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR
PURPOSE. Some states do not allow disclaimer of express or implied warranties in certain transactions; therefore, this statement
may not apply to you.
References in this publication to products, programs, or services do not imply that the manufacturer intends to make these available
in all countries in which it operates. Any reference to a product, program, or service is not intended to state or imply that only that
product, program, or service may be used. Any functionally equivalent product, program, or service that does not infringe any
existing intellectual property right may be used instead. Evaluation and verification of operation in conjunction with other products,
programs, or services, except those expressly designated by the manufacturer, are the user’s responsibility.
Trademarks
Lexmark and the Lexmark logo are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
PCL® is a registered trademark of the Hewlett-Packard Company. PCL is Hewlett-Packard Company’s designation of a set of printer
commands (language) and functions included in its printer products. This printer is intended to be compatible with the PCL language.
This means the printer recognizes PCL commands used in various application programs, and that the printer emulates the functions
corresponding to the commands.
PostScript is a registered trademark of Adobe Systems Incorporated in the United States and/or other countries.
All other trademarks are the property of their respective owners.
The LexmarkTM CX421, CX522, CX622, CX625, MC2325, MC2425, MC2535, MC2640, XC2235, XC4240
printers are network‑capable, multifunction laser printers. The printers support color and monochrome printing
and are embedded with home screen solutions and applications. All information in this service manual pertains
to all models unless explicitly noted.
The printers are available in the following models:
ModelConfigurationsMachine type/model
CX421adnNetwork-ready color laser printer with 2.4" color
display, analog fax, internal duplex printing, and duplex
scanning for small workgroups
CX522adeNetwork-ready color laser printer with 4.3” color touch
screen, analog fax, internal duplex printing, and duplex
scanning for small workgroups
CX622adeNetwork-ready color laser printer with 4.3” color touch
screen, analog fax, internal duplex printing, and duplex
scanning for medium workgroups
CX625adeNetwork-ready color laser printer with 7” color touch
screen, analog fax, internal duplex printing, and duplex
scanning for medium workgroups
CX625adheNetwork-ready color laser printer with 7” color touch
screen, analog fax, standard hard disk, headphone
jack, internal duplex printing, and duplex scanning for
medium workgroups
MC2325adwNetwork-ready color laser printer with 2.4" color
display, wireless, analog fax, internal duplex printing,
and simplex scanning for small workgroups
MC2425adwNetwork-ready color laser printer with 2-line APA
display, internal duplex printing, and wireless
connectivity for small workgroups
7529‑230
7529‑436
7529‑636
7529‑836
7529‑838
7529‑081
7529‑238
MC2535adweNetwork-ready color laser printer with 4.3” color touch
screen, analog fax, internal duplex printing, and duplex
scanning for small workgroups
MC2640adweNetwork-ready color laser printer with 4.3” color touch
screen, analog fax, internal duplex printing, and duplex
scanning for medium workgroups
XC2235Network-ready color laser printer with 4.3” color touch
screen, analog fax, internal duplex printing, and duplex
scanning for small workgroups
XC4240Network-ready color laser printer with 7” color touch
screen, analog fax, standard hard disk, headphone
jack, internal duplex printing, and duplex scanning for
medium workgroups
General information
23
7529‑486
7529‑686
7529‑496
7529‑898
Parts catalog
Legend
The following column headings are used in the parts catalog:
• Asm‑index—Identifies the item in the illustration
• P/N—Identifies the part number of a FRU
• Units/mach—Refers to the number of units in a printer
• Units/opt—Refers to the number of units in an option
• Units/FRU—Refers to the number of units in a FRU
• Description—A brief description of the part
The following abbreviations are used in the parts catalog:
• NS (not shown) in the Asm‑index column indicates that the part is procurable but is not shown in the
illustration.
• PP (parts packet) in the Description column indicates that the part is contained in a parts packet.