HP 2700 - Manual (Page 94)

2. Remove the used print cartridge from the printer.
3. Remove the new print cartridge from the bag. Place the used print cartridge in the bag for recycling.
4. Grasp both sides of the print cartridge and distribute the toner by gently rocking the print cartridge
from front to back.
CAUTION Do not touch the shutter or the surface of the roller.
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