Removal and Installation Installation of the ISS PCA NOTE The ISS PCA connections are illustrated below. P6 P5 P4 P3 J3 P2 J1 * The Ink LeakDetector has been discontinued so this connector is no longer used. ** There are 2 connectors available for the APS Pump and any one of them can be used. 8-92 HP DesignJet 5000 and 5500 Series Printers Service Manual J Position Connection Connector Color P Position Connection Connector Color J1 ISS Cable white P2* Ink Leak Detector white J3 Main PCA white P3 APS Temperature white P4 APS Valve red P5** APS Pump white P6** APS Pump (Spare) white