Roland VS540 - banding/ color drop out

[SIGN.DIVISION]

Hey all. I have a VS540 in my shop since 2020. When I’m printing a panel for a wrap, i more than not get a band running all the way across the print. It only happens when printing black and sometimes grey. I’ve cleaned the encoder strip, doesn’t seem to change it. If I run a powerful clean, that seems to help on the next print or as in the photo with the red, it will be be very miniamal. Any ideas on a fix?

 

[cornholio]

So the banding is vertical?

 

[SIGN.DIVISION]

Here is another example. It’s basically on every panel of this wrap I’m printing. It’s done this since I first bought it.

 

[SIGN.DIVISION]

So the banding is vertical?

It runs from left to right if your looking at the printer, it’s horizontal

 

[Jim Hancock]

You should run a nozzle test print and the fill test, both in service mode and post the results.

 

[Joe House]

If it's horizontal, I'd check the feed encoder disk. This serves the same function as the encoder strip, but fit the feed direction. Clean as necessary.