Radio Frequency Interference (RFI) shield To remove the RFI shield Note Turn the printer off, wait five seconds, and then unplug the printer. 1 Remove the top cover. 2 Remove the left side cover. 3 Remove the 13 screws shown in Figure 6-13. 4 Lift up on the RFI shield and remove. Figure 6-13 RFI shield removal and replacement 156 Removal and replacement C7085-90921