Panasonic KX-P7100 Service Manual page 25

(4) While pushing the drum unit ( 1 ), lift the toner cartridge up
( 2 ).
(5) Replace the shipping cover on the toner cartridge.
(6) Insert the toner cartridge into a plastic bag (1) and seal the
end of the bag tightly (2,3).
(7) Wrap the drum unit with the protective sheet to protect the
drum surface.
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KX-P7100