The EPSON IB09KB black ink cartridge is compatible with PX-M730F and PX-S730 printers, delivering high-quality printing. - Brand: EPSON - Model: IB09KB - Color: Black - Compatible Printers: PX-M730F, PX-S730 I am selling this because I no longer use it due to a printer malfunction. Free shipping. Ships the same day. No price negotiations. Thank you for looking.