Lexmark CX725
Remove the TPS sled. See TPS sled removal.
Remove the three wipers (A) from the sled.
Lexmark CS/X72x and C/XC41xx: Print Quality Diagnosis ? Light Print on Printed Page Colors
Lexmark CX/CS8xx_72x and XC/Cxxxx: How to use the Lexmark Scan Center functions found in the 2016 Lexmark printer common utilities package