Lexmark MX310 Series - Scan job was not successful; Scanner unit does not close; Scanning takes too long or freezes the computer

5 Carefully remove the shield from the printer.
Upper shield removal
1 Remove the right cover. See “Right cover removal” on page 226.
2 Remove the three screws (A) securing the upper shield.
A
Toner cartridge smart chip contact removal
1 Remove the right cover. See “Right cover removal” on page 226.
2 Remove the controller board shield. See “Controller board shield removal” on page 234.
7015
Repair information
236