Lexmark CX725
Remove the left cover. See Left cover removal.
Remove the controller board shield. See Controller board shield removal.
Remove the inner controller board shield. See Inner controller board shield removal.
Disconnect the main fan cable (A) from the controller board.
Remove the two screws (B), and then route the fan cable through the hole in the frame to remove the fan.
Escalation template and mandatory information.
Lexmark CX/CS8xx_72x and XC/Cxxxx: How to use the Lexmark Scan Center functions found in the 2016 Lexmark printer common utilities package