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Be extremely careful, that the media doesn't lift up from the sensor. (I once drove 350 miles to tell a customer to move the cutter a little farther from the wall in the back...)

Do a sensor test and you will know, what the machine sees. Do you use original parts?

Or you can first try to clean the line sensor.

FB500 is how old by now? 20 years? I was trained on the successor FB550-750 10 years ago... I would also go for aftermarket ink, if at all. There are still some machines in use in our customer base. End of service life is July 1st 2025. For the FB550-750, there has no EOSL been communicated yet.

Try the roland_SignCMYK.ICC (or RGB) profile as a simulation profile in rasterlink. The Roland Profiles are in the programdata directory, which you need to unhide to access.

You can print the opostestv3.pdf (it's in the testfiles directory in HP cutter control) on a desktop printer, then send the pit file to the cutter. If this works, there could be a bug in flexi. Sometimes the offset is wrongly registered. If you do the Opos calibration two or three times, it can...

I set the EPS margin to 0.45mm. It helps, but it's a good idea to use PDF instead of EPS.

You can redo the calibration as often as you want. Besides the 10 digit number, there are also the offset and gain values printed on the label. If these are correct, the "calibration" worked. ISS PCA stands for Ink System Subsystem Printed Circuit Assembly (or something like this...) and...

Have you removed the clear plastic protector, that is over contacts?

It works with all Rolands. With the latest models(VG3, SG3) , you need a number to enter the system switch mode. Call a certified technician...

Be sure, the sensor touches the vinyl. I often saw, that the sensor was off it's "hinge", (a set screw) If that happens, Opos doesn't work correctly.

The only technology to print on vinyl with less maintenance is thermal transfer like Durachrome or Gerber Edge. That comes with the price of more expensive and specialised consumables and less resolution.

Try this. It works.

You should have 8 channels. If you don't have white, one channel is missing (orange or red) You can try to run the machine in CMYK mode by activating the modes in Versaworks.

What does the internal test print look like? It bypasses the Rip. If this looks good, it's highly likely a Rip problem.

I wouldn't be aware, that those chips have a expiration date. The "sensor" are just two contacts, that could use a cleaning with alcohol or contact spray.

Exactly what I expected...

-10 doesn't sound good... I had to empty a R1000 for shipment. There is a procedure and a device you can borrow from HP. When the ink freezes in the tubing, it will destroy things I'm not aware, that something similar exists for the small printers.

The fuses for the printheads are on the carriage board on SG and VG printers. Not on the main, or head board, as they used to be on older printers with Epson heads.