Turn OFF the main power, and unplug the machine power cord before starting the following procedure.
Open the rear upper cover [A].
Insert a flathead screwdriver into [A] to release the hook on the inside of the controller cover [B].
Release the hook by opening the right side of the cover, and then remove the cover [A] by rotating it in the direction of the blue arrow.
Be careful not to damage the hooks on the inside of the controller cover when you remove or install the controller cover.
Insert a flathead screwdriver in the order of
,
, and
to release the three hooks of the rear left stay [A].
Remove the rear left stay [A].
Be careful not to damage the hooks on the inside of the rear left stay when you remove or install the rear left stay.
Push the button [A] and open the front cover [B].
Release the hook [A] of the right upper cover [B] by opening the cover in the direction of the arrow.
Remove the right upper cover [A] by inserting a flathead screwdriver into [B].
Be careful not to damage the hooks on the inside of the right upper cover when you remove or install the right upper cover.
Remove the bracket [A].
Install the four stud stays as shown below.
Install the optional counter interface board [A] on the four stud stays.
Connect the harness (13 pins) to CN3 [A] on the optional counter interface board and CN112 [B] on the BiCU.
Fasten the harness with the clamp [A].
Bind the harness with the harness bind [B] as shown below.
Connect the harness from the optional counter device to CN4 [A] on the optional counter interface board.
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.
Reassemble the machine.