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CPOLMF3503B 12K page
CPOLMF3503C 10K page
CPOLMF3503M 10K page
CPOLMF3503Y 10K page
OLIVETTI(Toner Cartridge)® d-Color MF3503/MF3504
Genuine Code
B1183 , B1184 , B1186 , B1185
.The same as KYOCERA MITA TK-515* series, the difference is chip & gear