My SP-15, now in full use for several months, has a squeak in the area of the operator’s side of the carriage which I can’t seem to locate precisely or get rid of. The noise occurs mid-way in travel down the bed, and happens only when on print, not on trip. I routinely oil all the proper points, and have also tried oiling the area where the crank handle meets the carriage, but nothing has helped. I don’t really mind the sound that much, but am concerned it might be indicative of a more serious problem. In all other respects, however, the press works well. Any ideas or comments much appreciated, thanks!