CPC G03G 15/0881 (2013.01) [G03G 15/0884 (2013.01); G03G 15/0886 (2013.01); G03G 15/0896 (2013.01); G03G 15/0898 (2013.01); G03G 21/181 (2013.01); G03G 21/1814 (2013.01); G03G 21/1821 (2013.01); G03G 21/1828 (2013.01); G03G 21/206 (2013.01); G03G 2215/0877 (2013.01)] | 15 Claims |
1. A print powder cartridge, comprising:
a hopper to maintain an amount of print powder therein; and
an atmospheric pressure seal to seal the hopper from atmosphere;
wherein a pressure within the hopper and sealed by the atmospheric pressure seal is lower than atmosphere, and
wherein a removal of the atmospheric pressure seal is to cause an airflow from the atmosphere into the hopper.
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