Roland CAMM-1 PRO CM-500 Service Notes page 25

Remove the DRIVE PULLEY from the MOTOR BASE.
5
Loosen the 4 screws and pull out the CARRIAGE WIRE and
6
replace it with new one.
Fix the DRIVE PULLEY to the MOTOR BASE by aligning it
7
against the SHAFT STAY.
Fix the CARRIAGE MOTOR by checking the backlash.
8
DRIVE PULLEY
CARRIAGE WIRE
DRIVE PULLEY
3 Replacement of Main Parts
3
SCREWS
CARRIAGE MOTOR
21