B710 B720 B730 User’s Guide > 122
6. Place the drum/toner cartridge on a flat surface and pull
out the seal horizontally.
Important!
• Pull out the seal horizontally. The tape might break if it
is pulled out diagonally.
• After the seal has been pulled out, do not shake or
bump the drum/toner cartridge.
7. Hold the drum/toner cartridge by the grip and insert it into
the slot inside the printer.