Hello, I have a problem with my 1994 sm74. The machine stops under pressure and group 3 error appears. I have also replaced the micron that works...
Good morning, I have SM 74 4 I have printed it in recto e verso without problems, when I put the machine on line (normal) I get this error and the...
Good morning j must replace one feed sensor of SM 74 year 1983- The new sensor is smaller than old and I found an adapter for fixing. Heidelber...