Lexmark X264 Service Manual - Page 109

7013-XXX Scanner Tests ASIC Test This test initiates a scan of the scanner ASIC's memory. While this test is executing ASIC Test Running is displayed. When the test is complete, ASIC Test Passed is displayed if the ASIC memory is okay. ASIC Test Failed is displayed if the test fails. Press the Back or Stop buttons to clear the display message. Feed Test This test executes a continuous feed test from ADF or flatbed. Note: Neither test produces printed output, or increments any MPS counters. After selecting this test, is displayed. Running. Flatbed:xxxx ADF:xxxx is displayed while the feed test is executing. To stop the test, press Back or Stop.If an error occurs during the test, Feed Test failed Flatbed:xxxx ADF:xxxx is displayed. Press Return or Stop to clear the message. Sensor Test A series of sensor tests are available to test the scanner's ADF and flatbed sensor functionality. The following table lists the available tests. Scanner sensor tests Sensor ADF paper present FB cover closing Home sensor ADF cover open Scan 1st sensor Scan 2nd sensor Toggle state and description Closed: Paper not present in the ADF Open: Paper present in the ADF Closed: Flatbed cover in process of closing Open: Flatbed cover open Closed: Scanner carriage not positioned over the home sensor. Open: Scanner carriage positioned over the home sensor. Closed: ADF cover closed Open: ADF cover open Closed: Paper isn't above this sensor. Open: Paper is being fed from the ADF and the top edge passes over this sensor. Closed: Paper isn't above this sensor Open: Paper is being fed from the ADF and the top edge passes over this sensor. Diagnostic aids 3-17