View Full Version : samsung scx 4720f "document jam"
ash_572
04-23-2009, 08:09 PM
customer says that they fed pages through the document feeder to fax and the machine came up with this document jam message. there is no paper watsoever however i think its a sensor that has come out of place. im not very familier with samsung machines i generally work on ricoh. customer cannot fax at all but only recieve faxes.
bit of a mystery for me.
markyy
03-28-2011, 04:52 PM
Hi,
did you get a solution with this "document jam" issue?? I have the same issue now.
Even if you power off and on, display shows "document jam". No piece of paper, dust, aso. at the sensors.
Thank you in advance
ash_572
03-28-2011, 09:19 PM
sorry. i dont remember what happened.
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03-28-2011, 11:13 PM
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markyy
04-01-2011, 11:09 PM
after cleaning all sensors, checking the circuit board in the feeder with no positive result, i took a closer look at the the cable between the feeder and the machine. i tested the continuity from connector to connector and actually i found 3 broken wires.the position is located between the feeder and the machine, where the cable is most stressed. I opened the cable carefully with a sharp knife and soldered the cables. Works perfect again.. :)
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