HP — 5. Sensors Test

• Paper Sensor. NOTE: IF POSSIBLE ALWAYS PERFORM THIS TEST BEFORE REPLACING RELEVANT SENSOR. IF THIS TEST PASSES, DO NOT REPLACE THE RELEVANT SENSOR. Perform the Sensors test as follows: 1. Before starting, first make sure that: • The Window is closed. • The Maintenance Cartridge Door is closed. • The Media Lever is in the lowered position. • Paper is unloaded. NOTE: If there is a failure in reading the GPIO channel during any of the steps of this test, the Front Panel will display System Error Code 01.0:10. For more information on troubleshooting this error code, refer to Page 2-5. Check also System Error Code 07:10 (refer to Page 2-8). 2. In the Service Tests submenu, scroll to “5.

Sensors Test” and press OK . 3. The Printer will initialize the sensors and the Front Panel will display the following messages: • Starting Sausalito. If there is a failure starting the Sausalito, the Front Panel will display System Error Code 01.0:10 . For more information on troubleshooting this error code, refer to page 47. Tests and Utilities • Starting Tests GPIO. If there is a failure starting the GPIO tests, the Front Panel will display System Error Code 01.0:10 . For more information on troubleshooting this error code, refer to page 47 . • Starting Cds. If there is a failure at this point, the Front Panel will display System Error Code 79:03 .

For more information on troubleshooting this error code, refer to page 72. • Getting unit config. • Checking unit config. If there is a failure at this point, the Front Panel will display System Error Code 71:19 . For more information on troubleshooting this error code, refer to page 70. Entering the Service Tests Menu 113