Scanner Tests - Oki MB 780 Service Manual

SCANNER TESTS

Back Side Scan Uniformity
This procedure should be run after the ADF has been replaced. Before proceeding, make
sure that the scanner glass and backing material are clean.
ASIC Test
A pattern appears and ASIC Test Passed displays. If xxxxxx displays, the test was
unsuccessful. Press Stop to return to the SCANNER TESTS menu.
Feed Test
To run the Scanner Feed test:
• Select Feed Test from the SCANNER TESTS menu.
• The panel displays the setting's current value ◄ [
arrows to select from Letter, Legal, or A4.
• Select "Start" to begin. "Running Flatbed... displays.
• Select "4" to exit the test.
• Select Back to return to Diagnostics menu.
Sensor Tests
The following tests are available:
Sensor (ADF document set)
Sensor (ADF closed interlock)
Sensor (FB scanner HP)
Sensor (ADF sheet through)
Sensor (ADF top door interlock)
Sensor (ADF media exit sensor)
Sensor (ADF lower door interlock)
Sensor (ADF 1st scan)
Sensor (ADF 2nd scan)
Sensor (FB length 1)
Sensor (FB length 2)
Sensor (FB length 3)
Sensor (ADF long media)
Sensor (ADF Width 1)
Sensor (ADF Width 2)
Sensor (ADF Width 3)
Sensor (ADF Width 4)
CURRENT VALUE
28
] ►. Use the