12 Insert the wire cleaner into the recess on the pre-charger
unit, and slide the cleaner back and forth.
13 Clean the inside corners of the pre-charger unit with cotton
swabs.
14 Making sure the pre-charger unit aligns on the runners
inside the printer, slide it back into the printer.
15 Reinstall the waste toner pack, and close the waste toner
cover.
16 Open the printer's back cover by pressing the top-right
corner.