Brother International HL-3400CN Service Manual - Page 228

CHAPTER 7 DISASSEMBL Y & RE-ASSEMBLY 4.2.2 Panel PWB (including LCD) (1) Remove the shoulder screw SP4x9* (1 pc.) from the panel case assembly and disconnect the connector. (2) Remove the set screws BT3x8 (4 pcs.) from the panel PWB and remove the panel shield plate, PWB, LCD and panel button from the panel case assembly. * The screw securing the panel case assembly is unique. Panel case Panel case assembly Panel button 99 LCD PCB Panel PWB r) 6 Panel shield plate Fig. 7-29 NOTE: When disassembling the panel PWB, be sure you do not to lose the earthing plate hooked onto the panel shield plate. Ensure it is fitted correctly during re-assembly. 4.2.3 Side cover 3 (L) (1) Remove the set screw BT4x10 (2 pcs.) of side cover 3 (L). (2) Slowly pull up the side cover 3 (L) and release the hook from the front of the upper cover ). (hook) Side cover 3 (L) Fig. 7-30 7-24