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P.S. I made a sign with lettering using a translucent red acrylic (#104?) on the surface, over opal (translucent white). Glued down with Methylene Chloride etc. LED illumination behind. After about 20 months, the LEDs had bleached the colour out of the red acrylic, and it looked terrible -...

Sounds good, but ould you mind explaining this a bit more clearly, please? Thanks.

Go with your gut feeling: ie DON'T !

It's in reference to the title topic, answering the question of listing several of what I consider to be common mistakes these days

Their poor-looking business card was allegedly 'designed' (Imagine Vistaprnt templates) therefore they want you to do it exactly, on their car and billboard, with no understanding of why that's not going to work. Too much use of dreadful quirky modern wedding fonts. Too many fonts with zero...

We're using ER3.2 as well - no problems, but ours runs a retrofitted Tekcel, not a Gerber. All normal v-grooving works fine. I do have other odd problems like if i set a conic tool to follow centre line, rather than inside or outside a contour - it often refuses to go into the substrate. You can...

I found when we had a 55w ULS, I could do 10mm acrylic at 1mm per second, max power, single pass - but so slow! Our 100w Chinese cuts up to 15mm ok. Putting the self-adhesive backing on will use up power though - the silicon paper sheet takes a bit to burn through - you can't get away with...

Reading these horror stories, I'm wondering if that insurance argument attitude is the norm in USA - they want your money but also want to avoid paying when appropriate? With the few dings I've ever had, the insurance company paid up after asking for a description of what happened. The end. No...

So, the answer to my question " Are you using Finecut and Corel Draw?", is No, is it? I use onyx also, but also use Finecut & Corel, and have no problems - with a CG130fxII

Are you using Finecut and Corel Draw?

It works fine in XP-32 bit - with no extra software for cutting - just Print Preview, frm Corel, and as long as you have hairline outline selected, it'll plot - when all parameters are set correctly. However I have given up trying with any 64 bit system and Win 7 onwards, Virtual or not. XP-32...

Well I have the CG SRii, not the iii, but it will not work without the Mimaki Finecut CD and USB drivers on the CD. I don't know if the iii is the same or not, but you will need Mimaki's software.

What happened?

I'd be guessing maybe there is gunk on the rollers, that makes them minutely oversized, hence X number of rotations, moves the vinyl a bit more than precalculated. Can you put masking tape through, stick-side down, and feed it or pull it back and forth, to sticky any gunk out of the grit rollers?

Can you put a fake figure in. I mean tell it it is out by 5 and 6 mm, instead of 2 and 3 mm, and see how it compensates for that?

W What ACM is it? Well, we call it Alupanel, from our supplier, Sign Sheet Distributors in Australia, or ACM from SAS, another supplier. None of it was 'cheap'. 3mm stuff with a reinforced polyethylene core, & ).2mm or 0.3mm skin each side, and sometimes 4mm stuff. Some cutters are no good...

Pardon if I say it, but I find it odd reading that anyone has a problem with routing ACM. We use standard 2-flute cheap chinese 1/8" upcut end mills, and have for the last 14 years. Our router is ancient, so we nurture it a bit, but 35mm/sec at full depth, single-pass, I can't recall having a...

Well done - looks like it's fixed!

head #1 with light cyan is kaput... Constant head cleaning of just C/LC may help. Remove the head & clean the contacts at the back of where the head sits (cotton & isopropyl alcohol wipe) or replace the head #1 with another head. Sometimes in the rip, you can apparently tell it to do...

Calculate your anual overheads, and depreciation, and divide that by 45 weeks and divide that by 4 productive days and divide that by 6 productive hours, to get a base cost of overhead per hour. Then add wages, time, profit, restocking, and double materials cost as a minimum.