HP Designjet Z2600, Z5600 Interconnect PCA CN727–67020 DesignjetT2300 Ink Tube System for 44"

Ink Tube System for 44" Designjet Z5400

so the printer rejects them

CH955-67009 HP Latex L26500 Interconnect PCA

Half  of the ink tube assembly failures are caused by leaking ink supply  valve assemblies

Error 81:01

HP Designjet Z2600, Z5600 Interconnect PCA CN727–67020 DesignjetT2300 Ink Tube System for 44"Interconnect PCA CN72767020, CN727 67021, T0B51 60033 Condition: Refurbished, Live tested Warranty: 12 months This is the interconnect PCA for HP Designjet Z2600 and Z5600 printers. This board mounts on the right side of the printer, behind the service station. This part fits the 24" and 44" versions of the Designjet Z2600 and Z5600 printers. This is a live tested refurbished part.