HP Designjet 5000/5500 Ink Tube System Ink Supply Valve (single) DesignjetT1200T770 This part has a lifetime

This part has a lifetime guarantee

The replacement procedure for this part is found in section 6-187 of the service manual --available here

Necessary Tools

Genuine HP OEM Yellow ink cartridge (400ml)

HP Designjet 5000/5500 Ink Tube System Ink Supply Valve (single) DesignjetT1200T770 This part has a lifetimeHP DESIGNJET 5000 5500 Ink Tubes System Supply Valve Assembly, Rebuilt and Upgraded Half of the ink tube assembly failures are caused by leaking ink supply valve assemblies. OEM seals harden and crack over time, allowing ink out and air in. If your Designjet is having frequent print head errors or you see ink leaking under the ink supply station, this is most likely the part that is failing. The LPS refurbished valve assemblies use silicon seals that