Panasonic KV-S6050W User Manual

The double feed detection 
sensor is not operating.

There is dust from the paper on the 
double feed detection sensor.

Please clean the double feed detection 
sensor with the included blower. 
(See 

The double feed detector sensitivity 
setting does not match the scanning 
document.

Change the double feed detector 
sensitivity setting. (See 

Black dots or white 
patches occur when 
scanning with flatbed.

The document glass and cover sheet are 
dirty.

Clean the document glass and cover 
sheet. (See