GRAPHTEC FC 4500 Series - 6.20 Pen Board

FC4500-UM-251-9370 31
6 REPLACEMENT PROCEDURES
(4) Remove the two M4L8 binding head screws holding the Pen Block, and then detach the Pen Block.
FC4500-50 / FC4500-60
M4L8 binding head screw
FC4510-60
M4L8 binding head screw