
Service Tests and Utilities
3-20 HP Designjet T Series — Service Manual
11 The Front Panel then displays the Open Loop UNROLL test result.
12 Press any key to continue.
13 The Front Panel then displays:
Starting Paper Motor.
Starting Paper Axis.
Calib. Analog Decoder.
14 The Front Panel then displays the Analog Decoder calibration results.
The GAIN for channel A must be between 0 and 3.5.
The GAIN for channel B must be between 0 and 4.5.
The OFFSET for channel A must be between -63.5 and 63.5.
The OFFSET for channel B must be between 63.5 and 63.5.
15 If the results are correct, press OK to accep
t the results. If the results are not
correct, press Back/Cancel to reject the results and FAIL the test.
16 If you accept the results, the Front Panel then displays:
Starting Media Path.
Homing and repeatability test.
17 The Front Panel then prompts you to remove the media.
18 Remove the media.
19 Press any key to continue.
20 The Front Panel then displays:
PWM test without paper.
21 The Front Panel then displays the test results.
The PWM avg results must be between 16000 and 14000.
The Speed error results must be less than 50.
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