Brother PR600II Service Manual page 274

Adjustment
1. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [TRIM MOTOR TEST].
2. Press [MOVE ORIGIN POSITION] to move the needle plate base assembly's movable knife to its origin.
3. Loosen the 2 screws 1.
4. Adjust the position the movable knife stops.
5. Tighten the 2 screws 1.
Distance between edges of movable knife and
fixed knife
1
4 - 34
Movable knife origin adjustment
Screw, Bind
M3X4
1 mm
1 mm
Torque
0.78 - 1.18 N-m
1