HP Remanufatured Ink Cart C4838AN, No. 11 Yellow . Compatible with C4838AN, #11 Yellow - Yellow. Fits Models: DesignJet 100, 110, 111, 120, 20PS, 50PS, 70, OfficeJet 9100, 9110, 9120, 9130, OfficeJet Pro K850, Business Inkjet 1000, 1100, 1200, 2200, 2230, 2250, 2280, 2300, 2600, 2800