Block Diagram (HP Designjet T2500 and T3500 eMultifunction Series only) Wiring Diagram (HP Designjet T2500 and T3500 eMultifunction Series only) Scanner Controller Board Layout (SULG) (HP Designjet T2500 and T3500 eMultifunction Series only) ENWW Theory of operation 7 Voltage Min limit Max limit TP1 5V-Main (Always on when there is power to the board) 4.75 5.25 TP2 5V 4.75 5.25 TP3 1.2V 1.1 1.3 TP8 3.3V 3.2 3.4 TP6 2.5V 2.4 2.6 TP7 1.8V 1.7 1.9 TP15 0.9V 0.8 1.0 IC201 3.3VLDO 3.1 3.5