Paper size switch PCB To remove the paper size switch PCB Note Turn the printer off, wait five seconds, and then unplug the printer. 1 Pull Tray 2 out. 2 Remove the high-voltage power supply. 3 Disconnect the connector as shown in callout 1. 4 Remove the black screw from the paper size switch PCB shown in callout 2. Remove the switch PCB. 1 2 Figure 6-42 Paper size switch removal and replacement C7085-90921 Chapter 6 Removal and replacement 181