Service Tests and Utilities

„Preparing SVS.

„Prog slow PWM scan.

„Moving Carriage middle.

„Starting Carriage Encoder.

„Prog fast PWM scan

19The Front Panel prompts you to move the carriage to check the encoder readings.

20Use the Arrow keys to move the Carriage left or right as prompted to by the Front Panel.

21Repeat step 20 to complete the ten Carriage movements used to check the encoder.

22The Front Panel displays the encoder check results.

23Press any key to continue.

24The printer then continues the Scan Axis test. As the test executes the Front Panel displays the following messages:

„Starting Carriage Motor.

„On/Off Carriage Motor.

„Doing a right side bump.

„Doing a left side bump.

„Exit bump position.

„Checking scan axis length.

25The Printer checks the complete length of the Scan-Axis and displays the result on the Front Panel. For a 24 inch printer, the length must be between 1073586 and 1076610. For a 44 inch printer, the length must be between 689586 and 692610.

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HP Designjet T Series — Service Manual