Service manual
1
Driver Replacement, X, Y, and C axis
Part #’s;
X / Y Axis Driver: 12-907
C Axis Driver: 12-810
This procedure assumes that a defective driver
board has been diagnosed, and that a
replacement driver has been made available for
repair.
1) Turn off power to the machine by shutting
down normally. Unplug the power cord from
the wall, or from the rear socket of the
enclosure.
Remove the top access panel from the
electronics enclosure by removing the six
screws with a 3/32” Allen wrench.
2) Locate the defective driver
assembly at the left side of the
enclosure. The drivers are located:
X-axis; bottom, Y-axis; center, and
C-axis; top. Remove the front and
rear green connector plugs from
the driver, as shown. (photo shows
Y-axis driver being serviced)
Remove six screws from top panel










