C4811A - HP 11 Cyan Original Printhead. This printer ink cartridge works with: HP Colour InkJet CP1700, HP Colour InkJet CP1700d, HP Colour InkJet CP1700ps, HP Business InkJet 1100d, HP Business InkJet 1100dtn, HP Business InkJet 1200d, HP Business InkJet 1200dn, HP Business InkJet 1200dtn, HP Business InkJet 1200dtwn, HP Business InkJet 2200, HP Business InkJet 2200se, HP Business InkJet 2200xi, HP Business InkJet 2230, HP Business InkJet 2250, HP Business InkJet 2250tn, HP Business InkJet 2280, HP Business InkJet 2280tn, HP Business InkJet 2300, HP Business InkJet 2300dtn, HP Business InkJet 2300n, HP Business InkJet 2600, HP Business InkJet 2600dn, HP Business InkJet 2800, HP Business InkJet 2800dt, HP Business InkJet 2800dtn, HP OfficeJet 9110, HP OfficeJet 9120, HP OfficeJet 9130, HP OfficeJet Pro K850, HP OfficeJet K850dn, HP Business InkJet 1700, HP DesignJet 100, HP Business InkJet 1100, HP DesignJet 100plus, HP DesignJet 110plus r, HP DesignJet 110plus, HP DesignJet 110plus nr, HP DesignJet 120nr, HP DesignJet 20ps, HP DesignJet 50ps, HP DesignJet 815, HP DesignJet 812MFG, HP DesignJet C800ps, HP PSC 10PS, HP PSC 20PS, HP PSC 70, HP Business InkJet 1000, HP Business InkJet 1200, HP DesignJet 10ps, HP DesignJet 120, HP DesignJet 510ps, HP DesignJet 510, HP DesignJet 111, HP DeskJet 2200c, HP DeskJet 2250, HP Business Inkjet 1700C, HP Business Inkjet 2500, HP Business Inkjet 1700CP, HP DesignJet 110, HP DesignJet 500 Plus, HP DesignJet Copier cc800ps, HP DesignJet 111 610mm, HP DesignJet 500, HP DesignJet 500ps, HP DesignJet 500ps Plus