4-238 Service Manual
7558-xxx
7. Remove the three screws (D).
8. Remove the scanner carriage motor from the machine.
Reinstallation warning: To correctly set the scanner drive belt tension, install the scanner carriage motor
assembly and the scanner carriage motor tension spring before completely tightening the three screws.
Scanner controller PCBA removal
1. Remove the scanner rear cover. See “Scanner rear cover removal” on page 4-20.
2. Remove the two connector screws (A).
3. Remove the screw (B) securing the scanner controller PCBA to the machine.
4. Remove the large platen glass. See “Large platen glass removal” on page 4-234.