Scanner Tests; Asic Test; Feed Test; Sensor Test - Olivetti d-Color MF920 Service Manual

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 ok. 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, <DISPLAY> 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
Y112730-2
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.
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Diagnostic aids