Service Tests and Utilities

4The printer then starts the Star wheel lifter PWM control test to verify the subsystem. As the test executes the Front Panel displays the following messages:

„Starting Horsburgh & Mips.

„Starting nvm

„Starting Tests PWM.

„Starting Tests GPIO.

„Booting up the Carriage.

„Starting SVS Motor

„Starting Carriage Motor.

„Starting Service Station.

„Starting Scan Axis.

„Moving SVS out of Scan.

„Homing Scan Axis.

„Move Carriage out of SVS path.

„Homing Service Station

„Starting Servicing Services.

„Capping Service Station.

„Uncapping Service Station.

„Starting Star Wheels Motor.

„Doing Dummy Cycles

„Getting SWL path length.

„Checking SWL length.

5The printer displays the test results and prompts you to continue.

6Press OK to continue. Once you continue the test, the Front Panel displays the following messages:

„Checking SWL PWM Forward.

„Moving & Getting traces.

„Moving SWL Motor

„Dumping motor traces.

„Analyzing motor traces.

„Checking PWM results.

„Checking SWL PWM Backward.

„Moving & Getting traces.

„Moving SWL Motor

„Dumping motor traces.

„Analyzing motor traces.

„Checking PWM results.

3-8

HP Designjet T Series — Service Manual