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7With the ridged side facing up and the lever on your right, insert the toner cartridge into the image drum unit. Slide the left end of the cartridge in first, then lower the right end into place.
8Once the toner cartridge is in place, push the lever all the way toward the back of the fax machine to secure it and release the toner.
9Using the cleaning wipe provided with your new toner cartridge, gently wipe across the full length of the LED array. Repeat as necessary, using a clean part of the wipe on each pass. Let the array dry completely.
10 Close the copy stacker and push down until you hear the copy stacker click into place. Be sure that the cover latches on both sides.