HP Designjet 4000 Service Manual - Page 81

Service Tests and Utilities PHONE SUPPORT 1. Scan Axis Test The purpose of this test is to diagnose a failure in the operation of components related to the Scan Axis. You must perform the Scan-Axis Test after: „ System Error Code 86:XX. „ System Error Code 42:XX. „ System Error Code 73:XX. „ System Error Codes related to Scan-Axis shutdown or Carriage jam. ALL THE COVER SENSORS ARE DISABLED WHEN IN THE SERVICE TESTS MENU. IF THE CARRIAGE IS MOVING IT WILL NOT STOP IF THE WINDOW IS OPENED, SO BE VERY CAREFUL NOT TO PUT YOUR HANDS INSIDE. IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE REPLACING ANY COMPONENT OF THE SCAN-AXIS. Perform the Scan Axis test as follows: Perform this test with the Printheads and the Tubes System installed in order to get values that can be compared correctly. 1 In the Service Tests submenu, scroll to "1. Scan Axis test" and press Enter. Press Enter 2 The Printer will start to initialize the Scan-Axis system and the Front Panel will display the following information: „ Starting Gamut. „ Starting Tests PWM. „ Starting Tests GPIO. „ Set GPIO psu_lpm. If there is a failure at this point, the Front Panel will display System Error Code 01.0:10. For more information on troubleshooting this error code, refer to Page 2-3. „ Checking voltage. If there is a failure at this point, the Front Panel will display System Error Code 03:10. For more information on troubleshooting this error code, refer to Page 2-5. Check also System Error Code 01.0:10 (refer to Page 2-3). hp designjet 4000 series printer service manual 4-7