• The red and blue ones are open—they are just open, but I didn't use them because they aren't compatible with my printer.

745 high-capacity 745 XL liquid-ounce ink cartridges for HP 745 ink spare for DesignJet Z5600 Z2600 printer (mate black/photographic black/chromatic red/cyan)

Package of 6 745 745XL ink cartridges included] - 745 F9K06A chromatic red ink cartridge, 745 F9K05A matt black ink cartridge, 745 F9K04A black ink cartridge, 745 F9K03A cyan ink cartridge, 745 F9K02A yellow ink cartridge, 745 F9K02A yellow ink cartridge, 745 F9K01A cartridge

745 ink cartridge page performance: up to 10.1 fl.oz per 745 ink cartridge, plus ink, plus pages with 745 ink cartridge

[745 printers] - 745 ink cartridge compatible with HP DesignJet Z5600 Z2600 postscript printer

Good compatibility: each 745 745XL ink cartridge has passed the quality and function test before leaving the factory, ensuring the quality of the spare parts of ink cartridges.

FiestaEdge 745 745XL ink cartridge, whether you print documents, presentations or graphics, you will get a consistent and reliable printing effect, just as it will not damage the printer