sp300v fan

[asd]

I have this sp300v for about 5 years now and lately I noticed that I am having a lot of problems with some medias coming in contact with the print heads. my question is if the fan under the media is supposed to be on when the machine is printing or only when is in idle mode. I noticed that when I am in idle the fan is working fine and sucks the media flat to the platten, but as soon as I start to print the fan goes to 50% power or less and can't keep the media flat at all and this of course sometimes causes the media to strike the heads. if anybody knows if there is a setting on the machine for the fan or how can I fixed this --I know there is a fan setting in the user manu that is at 100% but still does not help--

 

[Brian27]

Sounds like you're referring to the vacuum. I don't have a Roland roll to roll but I imagine theres a vacuum strength setting in your menu. Or you can change it in Versaworks under printer controls.

 

[Ragnabrok]

The one setting is in the user menu, from 0-100% and an auto setting. The second is in versaworks, under printer controls, there is an option for the vacuum settings, a drop menu with a few options, strong being one of them.

The fan itself can get plugged up with lint and dust making kind of a felt barrier. They are a pain to take out, since the space between the screw and the bottom of the chassis isn't much more than 2 inches. I use a socket with a phillips bit in it, basically a stubby without a shaft and it just barely fits. If you can get it out, you can clean it and improve the flow.

The other aspect is if the media is shifting, it'll cause it to buckle or ripple, and raise into the head. Media shift is usually caused by worn or hardened pinch rollers, grit rollers that are packed with backer and adhesive making them less raspy, or a broken pinch roller arm, causing it to lose almost all it's downward force.

an easy way to look for media shift is make a job of 50+ small circles (an inch or less) and just cut them at the highest speed available. If the first few circles are good, and they get progressively more oval, or the start and end point no longer line up, the media is shifting.

 

[asd]

thank you, Ragnabrok
I went into the versaworks settings and I change it from normal to strong, printed a file and that actually came fine without any problems