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  1. Roland RF-640 banding left side of machine

    Thats correct, thank you. The vertical banding I had and have too. Tech was many days here and called with other top-level-techs - even direct in Japan. The solution was: there ist no solution. I think, the belt that moves the printhead ist very thin an so interferences occur in dependence of...

  3. Roland RF-640 banding left side of machine

    Hi Charlie, at the first picture we see a horizontal banding only. Now there is a vertical banding too, isnt it? Both have different Root cause!
  4.

    Banding problem

    Hi Colin, did you put the cord at upper-side or at the backside of the media? Did you slow down printhead-movement oder media feed to minimize static?

  5. Question uneven prints with vertical banding on Roland RF 640

    Hi there, i have a difficult job that drives me crazy :-). Have to print big gray squares with some white parts, but after printing about 1m, the printer starts to print the gray surface uneven. I made some tests with prints and found out, that a clean CYAN-Square ist printed uneven too. Ist...
  6.

    UNRESOLVED WORST TEST PRINT EXPERIENCED - ROLAND RF640

    Is the encoder strip clean and ok?
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