Samsung SCX-4720FN - Manual (Page 194)

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M AINTENANCE 8.9
3 Unpack the new toner cartridge and gently roll it
horizontally 5 or 6 times to distribute the toner evenly
inside the cartridge.
Save the box and the plastic bag for shipping.
N OTE : If toner gets on your clothing, wipe it off with a dry cloth
and wash clothing in cold water. Hot water sets toner into fabric.
C AUTION : Do not touch the green underside of the toner
cartridge. Use the handle on the cartridge to avoid touching this
area.
4 Hold the toner cartridge by the handle. Slowly insert the
cartridge into the opening in the machine. Tabs on the sides
of the cartridge and corresponding grooves within the
machine will guide the cartridge into the correct position
until it locks into place completely.
Groove
Tab