Yellow is not yellow?

Need advice on using your Roland Hardware.
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Darwin
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Joined: Wed Jun 04, 2014 7:36 am

Yellow is not yellow?

Post by Darwin » Fri Apr 14, 2017 1:54 pm

print.jpg
Hi all.
Some times with the first print of the day the yellow is not yellow for the first 2 cm or so ( printer is BN-20 )
See enclosed picture in the circle should be yellow but is magenta like.
Any idea what might cause this?

Cheers
Arjan

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mrtn
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Location: Tallinn, Estonia

Re: Yellow is not yellow?

Post by mrtn » Fri Apr 14, 2017 6:57 pm

When did you last change your captop?
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Darwin
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Re: Yellow is not yellow?

Post by Darwin » Tue Apr 18, 2017 7:52 am

Captop is replaced 7 months ago. Could the captop be a cause?

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mrtn
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Re: Yellow is not yellow?

Post by mrtn » Tue Apr 18, 2017 8:02 am

Yes, a clogged captop does not drain well leaving excess ink on it and when the head park the excess ink seeps back into the print head, naturally not in the correct nozzles. This mostly happens prematurely to machines equipped with white or metallic ink due to the thick pigment in those, building up in the captop fibrous filter if you have not applied a few drops of cleaning fluid on it every time you perform a manual cleaning.

Then there's the next phase of problems due to internal leak in the print head but let's not go there now.
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Darwin
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Joined: Wed Jun 04, 2014 7:36 am

Re: Yellow is not yellow?

Post by Darwin » Tue Apr 18, 2017 10:40 am

Thx for your explanation.
I not always apply some cleaning fluid into the captop. I will start doing that, and see what happens
Cheers
Arjan

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