Please help. Roland sc540 is printing off where it should leaving a shadow.

[s7graphics]

Our Sc540 is printing weird all of a sudden. We were printing a pdf and eps file and the picture below is the result. The first 2 passes will be fine, then when the third pass hits, it goes off leaving a shadow effect that we don't want. Notice the side lines also. it was suppose to be straight. Not sure if there is a print alignment or something im suppose to do?

picture is actual print on banner material.

 

[woolly]

Be tempted to start by looking at the encoder strip as the print is being stepped over on each pass

 

[kanini]

Yep, as Woolly says, clean the encoder strip and/or encoder sensor carefully. Search the forums for procedure and don't use the cleaning fluid (will ruin the strip) but I think alcohol should work.

 

[s7graphics]

Thank you guys! it was the encoder strip. I cleaned it with alcohol and working like it should again! Can't believe that makes a difference in print job.

 

[WCSign]

Thank you guys! it was the encoder strip. I cleaned it with alcohol and working like it should again! Can't believe that makes a difference in print job.

Crazy huh?! I just learned it a few months ago