We have a Sharp MX-C301W that is jamming in the ADF. Previously they had a stuck post it note in the ADF which we had to take is apart to remove. We had no further problems for a month and it has now started jamming on single side copies. Duplex copies will work fine. The jam code is PPD2_NA. What we have done is replaced sensors with known working ones, replaced the exit paper feed clutch, replaced the paper feed guide (that allowed the paper to go into the ADF farther before jamming) cleaned all areas of the paper path. All the gears look good but now I am wondering if one of them is cracked along the shaft. Our next option is to order a new ADF Unit if we cannot come up with a solution. We have been out there 3 times now and it is a 2 hour drive one way. Any ideas would be appreciated.
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