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Says there is a paper jam and there isnt - Epson Office Equipment & Supplies

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There is an in-detect sensor, usually an opto-coupler triggered by a soft lever, make sure this is not clogged or dirty as this IR detection feeds the signal to the processor for starting the motor drive feed.
Reassemble but make sure the rollers are aligned to be in equal gap to feed the paper without a side pull.

Since this seems to be the fault of the paper detect activated falsely in the transport system , the mechanism must be taken out to confirm if there is any chances of physical blocks. So if you have used any adhesive sticker printing, it is possible that some glue has got clogged into the lever and made it stay or maybe some dirt accumulating on the optocouplers like some jammed paper/glue in the opto-couplers.
So start this work only if you are mechanically able with the right tools.
Remove the covers to get access to the mechanism . Remove the motor drive assembly , the fitting of the motor to the mechanism. Once this is removed the rollers can be turned manually so that you will be able to feed a paper to see the progress of the movement while studying if there is any obstruction or damage to the paper. Reset once you are confirmed of the physical condition. now use a multimeter and check as the paper is inserted that the lever moves and the opto-coupler is activated.

You must be able to trace the signal/voltage change in this period while the paper was inserted to the opto-coupler, if there was a change then the sensor works and the fault is much deeper but if it does not you will need to change the sensor.

Posted on Nov 10, 2010

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Posted on Jan 02, 2017

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SOURCE: paper jam

Hi,

To fix this kind of error, remove the ink cartridge and turn the printer upside down and gently shake it.Check if anything comes out.If nothing goes, or you can't hear anything rattling around, get a piece of card stock paper (60lb or heavier) and gently push this through the printer, to see if it will help push out what might be stuck in there. Open up the printer and clean the insides with a soft cloth and a brush. That should remove all the bits of paper inside.The teeth on the roller sides may have some dirt stuck on them which does not allow the rollers to roll freely and hence is as bad as paper jam. The idea is that the rollers do not roll whether because of paper or some dirt on the roller teeth. They have to be cleaned.


Thank you !!

Posted on Jul 14, 2010

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