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Mimaki JV3 Double Sided Banner - registration HELP!!

Offline Fingers Posted 06-08-2009 - 06:43 AM
Post: #1
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141 Posts
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Onyx Version:
7.3.2
Printer(s):
Hp5000, HP5500, Mimaki JV3

I'm trying to print some double sided banners on a stoplight double sided material. I can ensure that the roll is in exactly the same position for front/back printing by making marks on the printer itself and small holes in the material to view the marks through. However, how can I ensure that the Mimaki itself registers to the same point? it seems to choose its own margin sometimes!

Anyone gone through this and come up with a handy solutions they'd care to share?
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Offline Fingers Posted 04-06-2010 - 09:25 AM
Post: #2
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141 Posts
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Onyx Version:
7.3.2
Printer(s):
Hp5000, HP5500, Mimaki JV3

Shall remain my secret Smiley
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Offline Need Help Posted 09-16-2010 - 05:15 AM
Post: #3
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4 Posts
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Onyx Version:
7.3.2 Productionhous
Printer(s):
Mimaki JV3-160 SP

(04-06-2010 09:25 AM)Fingers Wrote:  Shall remain my secret Smiley

what you are doing is good as it gets. you can't really register front and back perfectly for there is now good way of doing it. when I do my backing up I am about a 1/16 to and 1/8" off when I do it. but not perfect but it will do for me.

hope this helps
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Offline HansNz Posted 07-20-2011 - 01:23 AM
Post: #4
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2 Posts
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Onyx Version:
10
Printer(s):
HP L25500

I have done a lot of double sided banner work on Mimaki Jv5. I have found the most consistent results from this method:
-set you rip to place print in the centre of the material.
-Cut your material into single banner lengths required + 250mm extra for feed space. If you forget this the printer will stop before the end of the print because it needs extra room (170mm I think) so as not to trip the material sensor before the print finishes.
-feed sheet in square (make sure nice straight edge on front end of material) and manually line up with the front edge of the print platten before lowering media transport wheels. Use the same spot to line up the front edge for both sides of the material. I always use the same spot.
This way you will get good rego (within 1mm) at the start of both sides of the print.
Unfortunately "Need Help" is right when it comes to left-right rego. I manage to get it within a few mm's at the start of the print but due to the "drift" of the flexible pvc-banner material you can be 10-15mm out at the end of the print.
Also due to material stretch with banner material I usually find that rego can be out also 10-15mm at the end of the print, depending on the banner length.
This all means that it is pointless trying to get rego on both sides where the design has made that critical.

Regards from Down Under.

------------------------------------------------------------------------------------------------------------------
Greetings from Down Under
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