Optional Counter Interface Unit Type M12 (B870-21) (MP 501/601 Only)
D255/D256/M281/M282 2-44 SM
15. Connect the harness from the optional counter device to CN4 [A] on the optional
counter interface board.
16. Remove the knockout [A] of the rear left stay [B] with a pair of nippers. Then pass the
harness which is connected to the optional counter interface in the previous step.
17. Reassemble the machine.