(4) Remove the cup S M3x6 Taptite screw and two screws (for the parallel interface: HL-
4070CDW only), and then remove the Main PCB ASSY as shown by arrows 4a and 4b.
Main PCB ASSY
Screws
Frame unit
4a
4b
Taptite, cup S M3x6
<Left side>
Fig. 3-105
3-79
Confidential