This problem is caused by a variety of factors. Implement the following measures.
Remove the paper from the paper tray and fan the paper.
If the problem occurs again, proceed to the next step.
Clean the feed unit.
If the problem occurs again, proceed to the next step.
In Custom Paper Settings, set 118: [Paper Feed Mode (Adjust Fan Level)] to “Dble Fd Reduc. (Lowest)”.
If the problem occurs again, proceed to the next step.
In Custom Paper Settings, set 118: [Paper Feed Mode (Adjust Fan Level)] to “Modrate Dble Fd Red. (Lower)”.
If the problem occurs again, proceed to the next step.
In Custom Paper Settings, change 117: [Switch Paper Load Upper Limit] from [High] (12mm) to [Low] (18mm).
If the problem occurs again, proceed to the next step.
Manually adjust the paper load upper limit. See J099 Appears (Vacuum Feed LCIT).