The product uses an on-demand fuser method. The toner image is permanently affixed to the paper by heat and pressure. Figure 1-22 Fusing Fuser heater Fuser film Toner Media Pressure roller Cleaning stage Step 7 : The cleaning blade scrapes the residual toner off of the photosensitive drum and deposits it into the waste toner case. Figure 1-23 Drum cleaning Cleaning blade Waste toner container Photosensitive drum 30 Chapter 1 Theory of operation ENWW