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banding in halftones

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Old February 17th, 2011, 11:47 AM   #1 (permalink)
Living tees Living tees is offline
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Default banding in halftones

we get them sometimes. what can we do to be more consistant
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Old February 18th, 2011, 03:38 AM   #2 (permalink)
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Default Re: banding in halftones

it could be:
You are printing at 45 or 90 degrees?
You are printing too high a halftone for that printer?
Your printer is banding?
Any thoughts?
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Old February 18th, 2011, 08:53 AM   #3 (permalink)
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Default Re: banding in halftones

we are printing at 45 degrees. the printer is a xante screenwriter 3. lpi is 32 to 45 on 1200 dpi. does this help?
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Old February 18th, 2011, 05:19 PM   #4 (permalink)
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Default Re: banding in halftones

If it's a laser printer it could be the cogs driving the film?
Does it happen on plain paper?
Can you change the 45 to 22?
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Old February 20th, 2011, 02:52 AM   #5 (permalink)
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Default Re: banding in halftones

Have you tried adding about 5% noise to the blend?

Should help..
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Old February 21st, 2011, 01:32 PM   #6 (permalink)
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Default Re: banding in halftones

I'll try the 5 , thanks. I can't see it on paper but I can't see it on velum until I burn it and it's in the screen
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Old February 22nd, 2011, 12:58 PM   #7 (permalink)
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Default Re: banding in halftones

Hi

Just let me know if it reduces the problem.
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Old March 9th, 2011, 10:59 PM   #8 (permalink)
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Default Re: banding in halftones

is it banding or moire pattern? i have to run a head cleaning about once a week to keep my film from banding ink-wise
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