Service Tests (Diagnostics)
The PWM StDev results must be between 0 and 500.
The PWM max results must be between 15000 and 20000.
22If the results are correct, press OK to accept the results. If the results are not correct, press Back/Cancel to reject the results and FAIL the test.
23If you accept the results, the Front Panel shows the test complete display for a few seconds:
24The Front Panel prompts you to shutdown the printer to complete the test.
25Press any key to shutdown the printer.
3.Electronics Module
The Electronics Module test diagnoses Failures of the following components:
Main PCA components
Electronics Module to Carriage interfacing.
Print Mech PCA components.
Power Supply Unit voltages.
Diagnostic tests also need to be performed after removing or replacing certain printer components. If you have removed or replaced printer components, check the Service Calibration Guide to Removal and Installation on page
Perform the Electronics Module test as follows:
HP Designjet T Series — Service Manual |