Vertical streaks when copying or scanning in duplex on the ADF

Issue description

When doing a Duplex scan or copy using the ADF, the backside of the scanned printouts appear with vertical streaks.

The Expected imageshould not have any streaks as shown in the sample.

Possible cause

This can be caused by a possible accumulation of dust in the ADF glass pad (A).

Solution

1. To resolve this issue, make sure to wipe the ADF glass pad with a clean cloth or paper towel.



2. Perform a duplex test copy/scan and check if the issue persists.