Panasonic KX-MB783BR Service Manual page 73

4. Turn the lever (5) on each side of the toner cartridge while pressing
down firmly.
5.
Make sure that the triangles (6) match, to install the toner cartridge cor-
rectly.
6.
Lift the top cover release lever (7) and open the top cover (8).
Note:
• Do not touch the transfer roller (9).
• If the lower glass (10) is dirty, clean it with a soft and dry cloth.
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KX-MB783BR