These parts was designed so as not to put an extra load on the cable.
First, open a hole in the three cable catch accessory, and then secure it bolted. And, by, for example, sandwiching the rubber to catch the bottom, please try to use to lift as much as possible the back of the cable of the printer. The aim is that the cable is to draw an arc with a margin in the upper space of the printer. Cable guide is used to refer to the catch on the top.