THEY ARE PRODUCED BY A DIFFERENT SUPPLIER THAN THE "NON ECO" SERIES. 12 MONTH WARRANTY! Compatible Printers: Canon FAX L 380Canon FAX L 380SCanon FAX L 390Canon FAX L 400Canon FAX LC 510Canon IMAGECLASS D 320Canon IMAGECLASS D 340Canon IMAGECLASS D 420Canon PCD 320Canon PCD 340Canon PCD 360Canon PCD 383Canon PCD 420.
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