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Uniform Grenadier sp 1400 c Banding issues

12 years 9 months ago #133 by archers
Replied by archers on topic Re:Uniform Grenadier sp 1400 c Banding issues
Thanks Martin

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12 years 9 months ago - 12 years 9 months ago #132 by Martin
Hi Carl,

This could be due to deterioration of the heads, which could be
1) permanent with age.
2) an indication that they need a clean or maintenance.

You could do a test print, which should give 6 colour bars and it should show that the nozzles are deflecting which may cause the banding.

There are quite a few nozzles with this machine so one could be missing or blocked and won't fire.
They could become missing through head strikes (where the head has hit the edge of the media), or not cleaning it enough so could become blocked or won't fire.

If you want to reply with a post showing an image of the head, I could ask Steve from BP LightBrigade to take a look and give a quick diagnosis.

Martin Hinchliffe
www.signupdate.co.uk

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12 years 9 months ago - 12 years 9 months ago #131 by archers
Hi there,

We currently use a Grenadier sp 1400c digital printer and have had it for number of years,
we have recently started having some serious banding issues.

Can anyone shed any light as to what the cause may be and whether there is a solution to it without major expense ???

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