Item Type: Printhead_x000D_ Material: ABS_x000D_ Ink Color: Magenta(M), Black(K), Cyan(C) and Yellow(Y)_x000D_ _x000D_ Applicable Printer Model:_x000D_ _x000D_ Replacement for HP Designjet 100 110 111 500 510 800 813 850 1,Applicable Printer Model: The printhead is a replacement for HP Designjet 100 110 111 500 510 800 813 850, please check before ordering. 2,Advantage: The printhead for HP Designjet has clear resolution, strong layering, good compatibility and smooth printing. 3,Ink Color: The package includes four printheads, with ink color of Magenta(M), Black(K), Cyan(C) and Yellow(Y), with bright and clear color. 4,Stable and Reliable: Printhead for HP Designjet has stable performance and high reliability, suitable for replacing your broken parts. 5,Durable Material: Premium ABS material, lightweight, compact, non fading, high hardness, not easy to deformation.If the printer is not compatible, there are generally the following reasons:_x000D_ 1. The ink cartridge is not the original can not identify the print head, need to replace the ink cartridge._x000D_ 2. If the metal contacts of the ink cartridge or printhead are dirty, wipe the metal contacts of the ink cartridge and pen holder with a clean, soft cloth or an alcohol cotton ball to dry naturally and then insert them back for testing._x000D_ 3. If it is still not recognized, you can restore the printer to factory Settings and reset the print head._x000D_ 4. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering.4 x_x000D_ _x000D_ Printhead