To Reinstall: 1 Make sure that the Fuser Output sensor flag (figure 6-36, callout 3) on the upper left corner of the Fusing Assembly rotates freely. 2 Make sure that the lower levers are set down for single sheets. If having trouble printing envelopes, move the levers up. Move the levers back down when done. C4265-90907 Printer Assembly Removal and Replacement 307