Olivetti d-Color MF920, Service Manual

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Diagnostic aids
3-25
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 Toggle state and description
ADF paper present Closed: Paper not present in the ADF
Open: Paper present in the ADF
FB cover closing Closed: Flatbed cover in process of closing
Open: Flatbed cover open
Home sensor Closed: Scanner carriage not positioned over the home sensor.
Open: Scanner carriage positioned over the home sensor.
ADF cover open Closed: ADF cover closed
Open: ADF cover open
Scan 1st sensor Closed: Paper isn’t above this sensor.
Open: Paper is being fed from the ADF and the top edge passes over this sensor.
Scan 2nd 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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