4026-0XX

 

FRU

Action

 

 

 

3

Thermistor

If the fuser lamp comes on and a fuser failure

 

 

LED error code displays, be sure the thermistor

 

 

is contacting the hot roll and the thermistor

 

 

cable is firmly seated in connector CN2 on the

 

 

engine board.

 

 

Check for excessive toner buildup on the surface

 

 

of the thermistor. Clean or replace as necessary.

 

 

Turn the printer power off and disconnect the

 

 

thermistor cable from CN2 on the engine board.

 

 

Measure the resistance of the thermistor

 

 

between CN2-1 and CN2-2. The resistance

 

 

should measure 250K ohms or less. If incorrect,

 

 

replace the thermistor and cable assembly. If

 

 

correct, replace the engine board.

 

 

Note: The thermistor assembly is fragile. Use

 

 

care when handling to avoid damage.

 

 

 

4

Fuser Lamp

If the fuser lamp does not come on and a fuser

 

Cable

failure LED error code displays, unplug the

 

 

printer power cord and check the continuity

 

 

between the fuser cable contacts in the lower

 

 

fuser cover. If incorrect, check the continuity of

 

 

the fuser lamp, thermal fuse and terminals.

 

 

Repair or replace as necessary. If correct, check

 

 

the continuity of the fuser lamp cable. If incor-

 

 

rect, replace the cable. If correct, replace the fol-

 

 

lowing FRUs one at a time in the order shown:

 

 

Engine Board

 

 

LVPS

 

 

If the lamp does not come on and the Error LED

 

 

is on solid, go to the “Fan Service Check” on

 

 

page 2-17

 

 

 

5

Fuser Ther-

Check the fuser thermostat if the fuser lamp

 

mostat (4026-

does not come on or if it comes on and does not

 

06C and 06F)

go off. Unplug the printer power cord and check

 

 

the thermostat to be sure that it opens and

 

 

closes properly. Replace as necessary.

 

 

 

Diagnostic Information 2-19

Page 41
Image 41
Lexmark 4026-0XX manual If the lamp does not come on and the Error LED

4026-0XX specifications

The Lexmark 4026-0XX is a robust monochrome laser printer designed specifically for small to medium-sized businesses that seek reliability, efficiency, and versatile printing capabilities. This model is part of Lexmark's renowned series of printers, known for their high-quality output and user-friendly features.

One of the standout characteristics of the Lexmark 4026-0XX is its impressive print speed, capable of producing up to 40 pages per minute. This rapid output is ideal for busy office environments where time is of the essence. Additionally, it offers a first-page-out time as fast as 5.2 seconds, ensuring minimal wait time for crucial documents.

The printer is equipped with a printing resolution of up to 1200 x 1200 dots per inch (dpi), which guarantees sharp text and detailed graphics. This high-resolution output makes it suitable not just for standard documents, but also for more intricate prints that require precision.

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Overall, the Lexmark 4026-0XX is a powerful monochrome laser printer that combines speed, quality, and security, making it an excellent choice for organizations looking to enhance their printing capabilities while maintaining operational efficiency. Its blend of advanced features and reliability solidifies its position as a valuable asset in any business setting.