Brother PR600II Service Manual page 278

Adjustment XY-guide origin adjustment
1. Attach the hoop stay assembly to the feed unit.
2. Attach the LL-hoop to the hoop stay assembly.
3. Attach the embroidery sheet to the LL-hoop.
4. Enter the test mode, and press [MAIN BOARD TEST MODE] and then [XY MOTOR TEST].
5. Press [SAVE] to move the feed unit to its origin.
6. Use the [ ↑ ], [ ↓ ], [←] and [→] keys to adjust the position of the embroidery hoop so that the needle bar presser
is aligned with the hole on the embroidery hoop.
7. Press [SAVE].
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