User's Manual

HP Designjet T Series — Service Manual 3-31
Service Tests (Diagnostics)
37 Press any key to finish.
38 The Front Panel shows the test complete display for a few seconds.
39 The Front Panel prompts you to shutdown the printer to complete the test.
40 Press any key to shutdown the printer.
5. Sensors
The Sensors test diagnoses Failures of any sensors of the printer. Always run
this test before replacing any of the following sensors:
 Window sensor.
 Media Lever position sensor.
 Media sensor
Diagnostic tests also need to be performed after removing or replacing
certain pr
inter components. If you have removed or replaced printer
components, check the
Service Calibration Guide to Removal and
Installation on page 6-5 to see which tests and calibrations you need to
perform.
Service Calibration Guide to Removal and Installation on page 6-
5.
1 In the Diagnostics menu, scroll to 5. S
ensors and press OK.
2 The Sensors test starts and the Front Panel then displays the following
messages:
 Starting Horsburgh and Mips
 Starting Nvm
 Starting Tests GPIO
 Getting part number