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7541-03x
SCANNER TESTS
Scanner Calibration Reset
This option resets the scanner calibration values to factory default settings. This should be done after you
replace the flatbed scanner unit.
For more information, see
Note: Be sure the scanner glass and backing material are clean before performing this test.
ASIC Test
This test initiates a scan of the scanner ASIC memory. This is a pass/fail test.
X
Press Stop (
) to clear the results message from the screen.
Feed Test
This test performs a continuous feed test of either the flatbed scanner or ADF without producing any printed
output or incrementing any of the scanner-related counters.
For an ADF test, select a paper size. The ADF then performs a duplex scan using the chosen paper size
settings. For a flatbed test, the scanner traverses the entire length of the flatbed.
X
Press Stop (
) to end the test.
Sensor Test
This test checks each scanner-related sensor and returns "Closed" or "Open" for each.
Sensor (ADF Paper Present)—"0" means paper is not present in the ADF.
Sensor (FB Cover Open)—"0" means the flatbed cover is down.
Sensor (Home Sensor)—"1" means the CCD is in the home position.
Sensor (Skew Sensor)—"0" means the actuator is in the up position.
Sensor (ADF Cover open)—"0" means the ADF cover is closed.
Sensor (ADF Exit)—"0" means paper is not present in exit sensor.
Sensor (ADF Scan Sensor)—"0" means paper is not present in the scan sensor.
Sensor (ADF Jam Sensor)—"0" means paper is not present in the jam sensor.
Sensor (FB short)—"0" means sensor open.
Sensor (FB medium)—"0" means sensor open.
Sensor (FB long)—"0" means sensor open.
Sensor (ADF long)—"0" means sensor open.
Sensor (ADF width 1)—"0" means sensor open.
Sensor (ADF width 2)—"0" means sensor open.
ADF Magnification
Use this menu to adjust the ADF magnification from -99 to 100. The default setting is 0.
EXIT DIAGNOSTICS
Select EXIT DIAGNOSTICS to exit the Diagnostics menu and return to normal mode.
3-28
Service Manual
"Calibrating the scanner" on page
4-210.
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