The HP 51640M (#40) Magenta Remanufactured Inkjet Cartridge is compatible with the following printers: Encad CadJet Hewlett Packard CopyJet Hewlett Packard CopyJet M Hewlett Packard DesignJet 230 Hewlett Packard DesignJet 330 Hewlett Packard DesignJet 350c Hewlett Packard DesignJet 430 Hewlett Packard DeskJet 1200 Cps Hewlett Packard DeskJet 1200c Shipping is Free with order of $50 or more of our low priced Generic & Remanufactured Inkjet Cartridges! For free shipping enter coupon E10 at checkout. Shipping via UPS Ground only. Offer good to US customers only. Availability: Usually ships the next business day. 51640M-RMRegular price: $23.90Sale price: $14.00 To Order Please Call 305-582-4846