Maintenance 240
7 Insert the print head cleaning rod fully into the hole beside the arrow on the printer until its tip
reaches the interior of the printer as illustrated below, and then pull it out.
8 Repeat the same procedure for the other three holes.
9 Return the print head cleaning rod to its original location.
10 Replace the black toner cartridge by adjusting it to the associated cartridge holder, and then
insert it firmly by pressing near the center of the label until the toner cartridge clicks.