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Never mind. Didn't solve the problem.

I would presume that if the bobbin tension is set correctly then you could set the upper with an I test. I don't know how to calibrate the Towa bobbin gauge other than comparing the results with a drop test. I have an upper tension gauge but question the accuracy of it. Perhaps I'm using it...

I had just checked the upper tension last week before it birds nested again. I haven't checked it with an upper tension gauge. I go off the I test. I presume that the I test would be fairly accurate. The only thing I can think of is that the felt tension discs are worn enough that they don't...

Thanks for the help. Using new needles, new bobbin cases. It has step motors. It has happened on small stitches but mostly happens on the large stitches when sewing the underlay. I don't know what the term of bird's nest exactly covers but it's not just loose jumbled up stitches on the back. It...

What am I missing? We have a Tajima TMFX II-C1506 and a Barudan BEVT Z1501. The Barudan will sew all day long and never birdnest. The Tajima will drive me crazy with random nesting. It will randomly birdnest on the bottom side on any one of the heads with any color and with any type of fabric...

Ok. So I got into the service mode. Don't know why I couldn't earlier. I'll add this to the list of the other WTH's that I got with this machine.

I recently updated the firmware from 6.9 to 7.3 on my SP-540V. Now the secret handshake for service mode only prints a service report then goes to user mode. Does anyone know if there is a new handshake for the service mode?

Thanks for the replies. What everyone said makes sense but I can't imagine stocking 10-15 different laminates.

I am using a Roland SP 540V with Eco-Sol. I am not doing wraps but do need to produce high quality contour cut vehicle graphics and decals along with small signage. I read that Eco-Sol has approx. 3 yr exterior life. And depending on who you talk to some say always laminate, others say no need...

When laminating does the laminate have to be matched to the vinyl? For instance could I use a high quality cast laminate on cheaper calendered vinyl? I am asking because it would be nice to use just one laminate. I purchased a roll of vinyl form my local supplier and it really doesn't like to be...