HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual
Troubleshooting Specific Panel PC Problems
The following section helps you to troubleshoot problems related to the
scanner's Panel PC and related components. The diagram below will help
you to identify the Panel PC electronic components, and might be of
assistance in troubleshooting possible system problems.
The sections below helps you to troublehoot Panel PC component failures
and detect which system has failed. Check or replace one component at a
time, and then see if the failure is resolved before investigating further.
Proceding this way will help you to determine which component has failed.
If the power has been turned on, and there is no message on the screen, try
Make sure the power cord is correctly connected.
Plug the power cord to another power outlet.
The DVD-ROM indicator lights should flash.
The system fan should start up if there is power in the Panel PC, if not
replace the PSU ⇒ Page 4-98.