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Ink cartridges are consumed a lot in Japan. Because, majority of Japanese still like to send their own designed Happy New Year Cards in this digital age. Problems are difficulties of collecting used cartridges and disassembling them for recycling.  W

Ink cartridges are consumed a lot in Japan. Because, majority of Japanese still like to send their own designed Happy New Year Cards in this digital age. Problems are difficulties of collecting used cartridges and disassembling them for recycling. W

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