Code 07.03:10

Error Codes > HP DesignJet T790 > Code 07.03:10

Description

USB Hub not found

Remedy

1. Make sure Interconnect board connector labeled 'INPUT HUB' is properly connected. 2. Make sure Wukong board connector labeled JUSB2 is properly connected to the cable coming from Interconnect board. 3. If failure continues, troubleshoot the error by changing the USB cable from Engine PCA to Interconnect, if the error follows to the changed part the USB cable is faulty, if it does not, the part is faulty. 4. Replace the Interconnect PCA, see Interconnect PCA. 5. Replace the Formatter Board see Formatter 6. Replace the Engine PCA