Lexmark XM1242 - Unformatted Flash Detected; Issues with Supplies; Non-Lexmark Supply

5 Remove the two screws (C), and then remove the fan.
B
B
MX421, MX521, and MX522 cooling fan
1 Remove the right cover. See “Right cover removal” on page 223.
2 Disconnect the cable JFAN1 from the controller board.
3 Remove the three screws (A), and then remove the fan duct.
7017-2xx, -4xx, -6xx
Parts removal
229