SP-300V print/lam/cut with crop marks

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Geoffhogarth
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SP-300V print/lam/cut with crop marks

Post by Geoffhogarth » Sun Mar 17, 2019 11:44 am

I make my print, laminate, and reload to cut with crop marks.
I have several rows of stickers, the first row cuts spot on in both directions.
As the sheet progresses, the feed causes the cuts to get progressively lower on each sticker row, like its something with the feed amount, linear cut position stays good all the way.

I have done crop mark detection setup and it is spot on, I am printing a sheet so no tension or slippage issues, new pinch rollers fitted

Using Versaworks with settings set to printer.

Any help much appreciated.

Thanks.

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Kai Perry
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Re: SP-300V print/lam/cut with crop marks

Post by Kai Perry » Mon Mar 18, 2019 10:02 am

I think we already checked this, but with the media locked can you pull the media through?

It could be down to the pinch roller assemblies.
Kai Perry
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Roland DG (UK) Ltd
http://www.rolanddg.co.uk

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Geoffhogarth
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Re: SP-300V print/lam/cut with crop marks

Post by Geoffhogarth » Mon Mar 18, 2019 10:04 am

Kai Perry wrote:
Mon Mar 18, 2019 10:02 am
I think we already checked this, but with the media locked can you pull the media through?

It could be down to the pinch roller assemblies.
Yes it is on and as I mentioned above " I am printing a sheet so no tension or slippage issues, new pinch rollers fitted"

Thanks.

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Re: SP-300V print/lam/cut with crop marks

Post by Kai Perry » Mon Mar 18, 2019 10:06 am

It's not the roller, it's the parts that hold the roller in place, if they are cracked, you can get the issue you are having.

Other than that it could be that the material is causing the slippage on the feed.
Kai Perry
Application Engineer
Roland DG (UK) Ltd
http://www.rolanddg.co.uk

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Geoffhogarth
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Re: SP-300V print/lam/cut with crop marks

Post by Geoffhogarth » Thu Mar 21, 2019 12:34 am

Kai Perry wrote:
Mon Mar 18, 2019 10:06 am
It's not the roller, it's the parts that hold the roller in place, if they are cracked, you can get the issue you are having.

Other than that it could be that the material is causing the slippage on the feed.
Thanks Kai, but the roller assemblies are good, no cracks and I can pull the porinter around with the vinyl without any slippage.

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Re: SP-300V print/lam/cut with crop marks

Post by Kai Perry » Thu Mar 21, 2019 10:05 am

Have you tested the job without the laminate, if it performs the same try a material with a different backing material.
Kai Perry
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Roland DG (UK) Ltd
http://www.rolanddg.co.uk

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Geoffhogarth
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Re: SP-300V print/lam/cut with crop marks

Post by Geoffhogarth » Fri Mar 22, 2019 11:06 am

Kai Perry wrote:
Thu Mar 21, 2019 10:05 am
Have you tested the job without the laminate, if it performs the same try a material with a different backing material.
Yes and it was almost the same Kai.
Moving on, I went through the crop mark setup again in the service menu, and even though it is spot on, I am still seeing a small misalignment in feed and scan, so I plan to adjust it some more to compensate. In addition, I put an old linear scale back onto the machine as a test, I also removed the tool carriage and cleaned the magic eye properly, but it was just the same result.

I believe I am almost there now with a little fine tuning needed.

Nice new profile pic you have by the way :-)

Thanks.

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Kai Perry
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Re: SP-300V print/lam/cut with crop marks

Post by Kai Perry » Fri Mar 22, 2019 2:53 pm

Thanks, needed a change of image.
Kai Perry
Application Engineer
Roland DG (UK) Ltd
http://www.rolanddg.co.uk

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Geoffhogarth
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Re: SP-300V print/lam/cut with crop marks

Post by Geoffhogarth » Sat Mar 23, 2019 7:51 pm

Geoffhogarth wrote:
Fri Mar 22, 2019 11:06 am
Kai Perry wrote:
Thu Mar 21, 2019 10:05 am
Have you tested the job without the laminate, if it performs the same try a material with a different backing material.
Yes and it was almost the same Kai.
Moving on, I went through the crop mark setup again in the service menu, and even though it is spot on, I am still seeing a small misalignment in feed and scan, so I plan to adjust it some more to compensate. In addition, I put an old linear scale back onto the machine as a test, I also removed the tool carriage and cleaned the magic eye properly, but it was just the same result.

I believe I am almost there now with a little fine tuning needed.

Nice new profile pic you have by the way :-)

Thanks.
I did fine tune the crop mark detection again, I also slowed the up speed down, and I am happy now, cutting good for a antique :-)

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