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CPUCK5512B 20K page
CPUCK5512C 15K page
CPUCK5512M 15K page
CPUCK5512Y 15K page
UTAX(Toner Cartridge)® 400ci
Genuine Code
CK-5512K , CK-5512C , CK-5512M , CK-5512Y
the same as KYOCERA MITA TK-521* series, the difference is chips/gears