Is the paper feed roller covered with paper dust?
Paper dust may decrease the traction of the paper feed roller and result in double feeding due to paper
slippage or insufficient separation.
Cleaning the paper feed roller will restore traction and so prevent double feeding.
For details about cleaning the paper feed roller, see page 248 "Cleaning the Paper Feed Path".
For details about removing the paper feed roller, see the Replacement Guide.
The two-tray wide LCT (Vacuum Feed LCIT RT5120) does not have paper feed rollers.
Wrong Detection of Double Feeding
Depending on the cause of the problem, do one the following:
An envelope is being used.
The seams of envelopes may cause double feeds to be wrongly detected.
Disable the double feed detection.
<If custom paper is used>
In [Advanced Settings] for the custom paper you are using, select 1331: [Jam Detection] and then
set [Detect JAM099] of [JAM080/097/098/099] to [Off].
<If custom paper is not used>
In the [Machine: Paper Feed/ Output] group on the [Adjustment Settings for Operators] menu, set
0305: [Detect JAM099] to [Off].
Thin paper is being used
When using thin paper, the machine may wrongly detect double feeding.
Disable the double feeding detection function.
<If custom paper is used>
In [Advanced Settings] for the custom paper you are using, select 1331: [Jam Detection] and then
set [Detect JAM099] of [JAM080/097/098/099] to [Off].
<If custom paper is not used>
In the [Machine: Paper Feed/ Output] group on the [Adjustment Settings for Operators] menu, set
0305: [Detect JAM099] to [Off].
• Disabling double feed detection may reduce print image quality or cause blank sheets to be
delivered.
8. Troubleshooting Paper Delivery Problems
230
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