Alternate color or configuration shown Compatible HP 646A (CF033A) Toner Cartridge, Magenta 12.5K Yield Manufacturer: HP SKU: 277104540MAN Manufacturer part number: 646A, CF033A $509.95 Qty: Add to cart Custom wishlist OK Add to wishlist Add to compare list Email a friend Specifications Contact Us Products specifications Attribute name Attribute value Compatible Printers HP Color LaserJet CM4540, HP Color LaserJet CM4540 f, HP Color LaserJet CM4540 fskm. Compatible Supplies HP 646A magenta, HP CF033A. Your name * Your email * Enquiry * Submit Products specifications Attribute name Attribute value Compatible Printers HP Color LaserJet CM4540, HP Color LaserJet CM4540 f, HP Color LaserJet CM4540 fskm. Compatible Supplies HP 646A magenta, HP CF033A.