User's Manual
Service Tests and Utilities 
3-28 HP Designjet T Series — Service Manual
 Getting Vpp.
12 The Front Panel then displays the Pens Voltage test results. The result must be 
be
tween 26.5 and 33 Volts.
13 If 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. 
14 The Carriage Assembly test continues and the Front Panel displays:
 Starting Line Sensor Leds.
 Starting LightSensor.
 Starting LineSensing.
 Starting SVS Motor.
 Starting Carriage Motor.
 Moving SVS out of Sax.
 Moving Carriage middle.
 Initializing LineSensor.
15 The Front Panel then prompts you to load roll media.
16 Load roll media.
For the LED test to work properly, the paper must be loaded 
completely through the carriage path.
17 Press any key to continue.
18 The Carriage Assembly test continues and the Front Panel displays the result 
of
 each phase of the test:
 Setting LS low intensity.
For each color LED: Blue, Green, Red, and Amber
 Setting LS max intensity.
For each color LED: Blue, Green, Red, and Amber
 Checking Tolerance.
 Deactivating LS.
 Starting NvmLineSensor.
 Initializing NvmLineSensor.
 Getting LS Serial Number.










