Exit Diags - Konica Minolta bizhub 4020 Service Manual

1. Load the ADF with a document containing both light and dark content.
2. Perform a duplex copy. If the back side of the resulting copy contains vertical streaks, then the SE
should clean the scanner glass and backing sheet, execute the back side scan uniformity procedure,
and then perform another copy. If streaks still appear on the resulting copy, then the SE can repeat
the cleaning and verification procedure a second time or can replace the ADF entirely.
ADF magnification
This test allows the service technician to adjust the ADF magnification level. To adjust the ADF
magnification level, perform the following steps:
1. Navigate to Diagnostic menu >Scanner Tests >ADF magnification.
2. Use the plus or minus buttons to scroll through the magnification values. The values are 1.000,
1.005, 1.010, 1.015, 0.980, 0.985, 0.990 and 0.995.
3. Press the check button to accept the value. Press X on the screen to exit the test.
FB magnification
This test allows the service technician to adjust the FB magnification level. To adjust the FB
magnification level, perform the following steps:
1. Navigate to Diagnostic menu > Scanner Tests > FB magnification.
2. Use the plus or minus buttons to scroll through the magnification values. The values are 1.000,
1.005, 1.010, 1.015, 0.980, 0.985, 0.990 and 0.995.
3. Press the check button to accept the value. Press X on the screen to exit the test.

5.1.17 Exit Diags

Select this to exit the Diagnostics menu. The printer performs a POR, and restarts in normal mode.
For bizhub 4020, this menu appears as a soft button at the bottom right corner of the panel. This is
always accessible to the user from the main Diagnostics menu.
bizhub 4020/3320 Service Manual
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