Laser Printer Operation Manual

pull down on this tab and wiggle it up and down a few times, until it snaps
off. Attached to the tab is a long strip of plastic that must be completely
removed. Hold the tab and pull it straight out, applying firm, even pressure.
Keep pulling until the end of the long plastic strip emerges from the
cartridge.
The final step is to close the printer top, pushing down gently until it latches.