ARC reset chip for HP Pro 8000 8500 HP940 1.for HP Pro 8000/8500 2.excellent quality, 3. ... Product name: ARC reset chip for HP Pro 8000 8500 HP940 Printer models: PRO 8000,8500(C,M,Y,K) Cartridge ... models:HP940,940XL: C4903A-C,C4904A-M ,C4905A-Y,C4902A-K,C4907A ... TANK STYLES: ARC reset chip for HP Pro 8000 8500 HP940