Sharp SF-2220 Service Manual page 39

3 Hold the grip of the toner hopper shutter, and slowly pull out the
shutter fully toward you.
If the shutter won't move, the procedure in
performed properly. In that case, slide the toner cartridge again
toward you until it clicks.
4 While pressing the toner cartridge securely, strongly pull the toner
cartridge sheet toward you. This will supply toner into the toner
hopper. The toner cartridge sheet must be removed completely.
Then tap the top of the toner cartridge several times to feed toner.
5 Hold the grip of the toner hopper shutter and slowly push the
shutter completely to the bottom.
2 may have not
Shutter
Grip
Toner cartridge
Sheet
Shutter
Grip
6 Slide the toner cartridge to the bottom and remove it slowly.
If the shutter have not been pushed completely in procedure (5),
the toner cartridge cannot be slid. In that case, push the shutter
completely and slide and remove the cartridge.
7 Hold the grip of the developing unit, and insert the developing unit
slowly to the bottom.
8 Close the developing unit lever, and close the front cabinet.
With the above procedures, toner supply is completed.
4 – 6
Toner cartridge
Developing unit
Grip
Developing unit lever
Front cabinet