Feed Test; Sensor Tests - Konica Minolta bizhub 4020 Service Manual

Feed test

This test enables a servicer to execute a continuous feed test from either the ADF or the flatbed. The
default is to perform the ADF test if paper is loaded into the ADF. To perform the Feed Test, do the
following:
1. Navigate to Diagnostic Menu >Scanner Tests >Feed Test.
2. Press Select a paper size.
3. Select your paper size: A4 or Legal.
4. Select the check button on the screen. The screen displays Feed Test passed or Feed Test
failed.
5. Press X on the keypad to exit the test.

Sensor tests

Sensor tests are available to test the sensors on the flatbed and ADF units.
The following sensors can be tested:

ADF document set – Paper Present

FB cover open (flatbed top cover)

Home sensor (carriage home position)

ADF interval sensor

ADF stage skew (paper skew) - available on duplex scanners only

ADF cover open (ADF top cover)

Scan 1st sensor (paper feed sensor)

Paper FB long
To test a flatbed or ADF sensor, perform the following steps:
1. Navigate to Scanner Tests >Sensor Tests ><sensor to test>. The following is displayed:
2. Select the sensor to be tested.
3. Actuate the sensor you selected.
The screen will toggle between 0 and 1 if the sensor is properly functioning.
4. Select Exit to leave the test.
bizhub 4020/3320 Service Manual
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