Wrong Detection of Double Feeding
Depending on the cause of the problem, do one the following:
Paper with high paper-to-paper adhesion is used.
Paper with high paper-to-paper adhesion may be wrongly detected as double feeding.
Disable the double feeding detection function.
<If custom paper is used>
1. In [Advanced Settings] for the custom paper in use, set [Double Feed Detection] to [Off].
<If custom paper is not used>
1. In the [Machine: Paper Feed/ Output] group on the [Adjustment Settings for Skilled
Operators] menu, set [Double Feed Detection] to [Off].
An envelope is being used.
The seams of envelopes may cause double feeds to be erroneously detected.
Disable the double feed detection.
<If custom paper is used>
1. In [Advanced Settings] for the custom paper in use, set [Double Feed Detection] to [Off].
<If custom paper is not used>
1. In the [Machine: Paper Feed/ Output] group on the [Adjustment Settings for Skilled
Operators] menu, set [Double Feed Detection] to [Off].
The double feed detection sensor is soiled.
If the double feed detection sensor is soiled with paper dust or other fragments, it may wrongly detect
double feeding.
Clean the double feed detection sensor.
For details about cleaning the double feed detection sensor, see page 85 "Cleaning the Paper Feed
Path".
• Disabling double feed detection may reduce print image quality or cause blank sheets to be
delivered.
Wrong Detection of Double Feeding
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