The CISS for HP DJ510:
cartridge model:
HP82 black cartridge:565;
HP82 cyan cartridge :C4911A;
HP82 magenta cartridge :C4912A
HP82 yellow cartridge :C4913

The CISS for HP DJ500/800
HP82 black cartridge:565;
HP82 cyan cartridge :C4911A;
HP82 magenta cartridge :C4912A
HP82 yellow cartridge :C4913A

works very stable and be very economical in price.

1: Be Economical: CISS is with the ARC chips which can be recycle used, also the price for the CISS is lower than that of the original cartridges.
2: Be Convenient: CISS is easy to be installed and reset, meanwhile, the CISS is with tanks which can be filled large quantity inks, so, the cartridge can be used long before refilling.
3: Environmental protection: unlike the one use original cartridge, the CISS and refillable cartridge can be recycling used then, it is not only save source, but also produce less rubbishes.

华宇科技

HP 500/800/815 bulk ink system/CISS