Main/2-Tray LCIT: return fan level

Specifies the amount of air sucked beneath the floating sheet in downward direction by the return fan, to prevent double-feeds especially with thin media or paper with large face-up curls as a result of excessive suction in upward direction by the suction fan.

If double-feeds still occur after making adjustments in 1301:[Main/2-Tray LCIT: Paper Feed Mode], increase the airflow in steps of 10%.

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