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  1.

    Shadow effect problem

    All my two VS-640 and 1 XF-640 have problem with printing light cyan or blue color. All printer using CMYK ink, I think it is cause by Cyan Ink, and I had change another Cyan ink, but all printer still have problem when print light blue color. And terrible when light blur color with 16 pass...
  3.

    Roland XF-640 Carriage Board and Head Board compatible

    Hi, Please help, My Roland XF-640 carriage board have problem, I buy new carriage board but it is different number with my old carriage board old is: 6702048040 and new is: 6702048041 and it can not work with the Head board number 6702048020 Does anyone know what Head board number will work with...

  4. Can the XF-640 use 6color Dye ink CMYKLcLm?

    I'm using a XF-640 with ecosolvent ink CMYK, now I want to buy another XF-640 but use Dye ink 6 color CMYKLcLm? I want to ask Roland technician, does Roland have profile for aqueous ink CMYKLcLm or can use CMYK profile for 6 color ink?
  5.

    Is it possible to upgrade vs-640 TO vs-640I?

    The new VS-640i can print 720x720 dpi at 6pass I have 2 VS-640 and it can only print 720x720 at 8pass 4color. My XF-640 print 720x720 at 6pass 4color the color is more Vivid than VS-640 @ 6pass, so I want to upgrade VS-640 to VS-640i to get the same color as my new XF-640 @ 6pass I see bolth of...
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