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Mimaki ink issue pooling or head skim?

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Posts: 7

Joined: Mon Sep 30, 2019 9:10 pm

Country: United Kingdom (uk)




Post Wed Nov 06, 2019 10:17 pm

Mimaki ink issue pooling or head skim?

Evening all. Just wondering if anyone can help. Seem to be having a few head skims mid print. Looks like the ink is pooling on the media a little too...
pic attached.
Printer is in a cool damp room to be fair... so the media is rippling a little. I feed it out a fair bit before print to ensure it’s on flat vinyl... but I had this issue in the summer too.
Head is set to low but doesn’t look to be within skimming distance.
Print test is very good. Just added a new wiper, but not much change.
By the second print it’s usually fine.
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5F146418-5A95-49C9-B1F1-1311789B5586.jpeg
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Post Thu Nov 07, 2019 5:53 pm

Re: Mimaki ink issue pooling or head skim?

I would say the cool & damp is the cause of the vinyl buckling in the machine, as soon as cold vinyl gets near the pre-heat, that will happen a lot
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Posts: 7

Joined: Mon Sep 30, 2019 9:10 pm

Country: United Kingdom (uk)




Post Wed Nov 13, 2019 12:04 am

Re: Mimaki ink issue pooling or head skim?

Thanks for the response. I’ve wasted a load of material today and after a bit of messing about I decided to change the media thickness to thick - and also rejigged the artwork so I could fit 2 (menu boards) side by side. This seems to have helped and the prints came off great.
I think the dampness is a definite problem.

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