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  • BN-20 ‘Return to Origin’ for White

    Posted by Chris Jarvis on May 20, 2014 at 3:20 pm

    Hi,

    I read a thread on the Roland forum regarding doubling up (second pass) for making white ink less ‘see through’.

    The instruction was:
    Send ‘white’ only with ‘return to origin’ after cut.
    Then print CMYK file.

    I tried the above, but the job does not seem to have returned to origin. That is, all of the job has been wound out of the printer.

    I assume I’ve done something wrong? There was no mention of printing crop marks, but should there have been?

    Thanks for any help.

    Chris

    Chris Jarvis replied 9 years, 11 months ago 2 Members · 4 Replies
  • 4 Replies
  • Chris Jarvis

    Member
    May 20, 2014 at 8:50 pm

    Well, I can now answer my own question.

    I’m not sure how a VersaCamm performs a similar operation, but the BN-20 actually winds the job back in, before it prints the next part.

    So it went as follows:

    Print WHITE only as a Print and Cut (with ‘Return to Origin’ checked)
    Wait.
    In my case, to find out what to do next, but at least it gave it plenty of time to dry.
    Then
    Print WHITE & CMYK as Print Only (job returns to origin before it starts to print)…
    …and it registered spot on.
    Amazing!

    I wasn’t sure if it needed WHITE & CMYK for the second part, or just CMYK.
    There’s a small bit of red on the design which needs white behind it. It’s an outside sticker on clear self adhesive vinyl.

  • Chris Wool

    Member
    May 21, 2014 at 8:12 am

    well done

    the vs returns as soon as its finished the first print, the key to doing it this way is smalller areas of print because the cling in my experience is unstable as its warmed and the second print does not line up quite right on larger areas.
    as a note i would do the cut on the second not first print incase a corner gets lifted slightly.

  • Chris Jarvis

    Member
    May 21, 2014 at 8:47 am
    quote Chris Wool:

    as a note i would do the cut on the second not first print incase a corner gets lifted slightly.

    That’s a good point Chris.

    Regarding the warming. It’s a BN, so there’s little heating.
    I’ve got a feeling my delay between the two operations was a good thing?

    The small part of red on the design (the middle of one letter ‘O’) needs to be backed with one print of white. As it turned out, that bit of red got two prints of white backing it up. I could have made a small adjustment the artwork, but it’s such a small area, it makes little difference. These are small clear labels, by the way. One word in white onto 85mm x 15mm labels.

    Thanks for that.

    Chris

  • Chris Jarvis

    Member
    May 21, 2014 at 8:53 am

    ‘Forgot to say:

    The size of the job was only 600mm long x the 500mm wide.

    It’s amazing just how long it takes to double print that job.
    I know the BN is criticised for its slow speed, and normally I couldn’t care less because of the quality of print. The length in time for a job like this really is noticeable though. I mustn’t forget the difference in the price of white ink too.

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