4026-0XX

 

FRU

Action

 

 

 

3

Input Sensor

Check the flag for damage, especially at the

 

Flag

front edge, Be sure the flag moves freely.

 

 

Replace the flag as necessary.

 

 

 

4

Input Sensor

Be sure the input sensor is correctly installed

 

 

and the sensor/solenoid cable is properly con-

 

 

nected.

 

 

Disconnect the input sensor cable from the CN3

 

 

connector on the engine board. The voltage at

 

 

CN3-1 measures between +4.5 V dc and +5.5 V

 

 

dc. If incorrect, replace the engine board.

 

 

If correct, reconnect the input sensor cable at

 

 

CN3. Monitor the voltage at CN3-3 while moving

 

 

the sensor flag in and out. The voltage changes

 

 

from +2 V dc to 0 V dc. If incorrect, check the

 

 

input sensor/solenoid cable continuity. If cable

 

 

continuity is incorrect, replace the paper feed

 

 

frame assembly. If cable continuity is correct,

 

 

replace the following FRUs one at a time in the

 

 

order shown:

 

 

Input Sensor

 

 

Engine Board

 

 

 

Diagnostic Information 2-21

Page 43
Image 43
Lexmark 4026-0XX manual

4026-0XX specifications

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