Undefined Media

Hi,

My company has a Mutoh ValueJet 1638. When I go to set up a media type it just automatically gives me the "Undefined Media" error without even bothering to measure the media thickness or width.

Any idea on how to remedy this?

Thanks

 

I adjusted the material a few positions and it still happened. It did start happening out of the blue. I've tried setting up rigid material, white corrugated plastic and white cardboard material. Both opaque. How do I adjust the sensor?

 

Are you sure about this? The ValueJet 1368 has a setting for rigid or roll and we've been advised that the maximum thickness is much larger than the corrugated material that we use.
We have had the printer for a few years and up until now it's printed on rigid material perfectly. So I'm thinking there's a larger issue here.

Anyways, I've also been advised that the sensor on the head may have been covered with too much ink so cleaning it might help, but I'm not exactly sure where the sensor is on the head. Does anyone have a general idea of where it is located on the head? The answer to this is a lot harder to find online than I had anticipated.

Thanks for your help.
Brian M

 

Ah yes. I didn't think the UH part of Valuejet 1638UH was important.
That is a great tip about the powering on menu, but do you happen to know what the menu option is? So far I tried Check 1: Adj Headgap -> Adj. Type [Sensor] -> but then it says Gap Adjust Failed. Were you thinking of another menu option?

Unfortunately since I can't set up any media right now I can't print at the moment.

 

These are great tips, but when I go to do a Rear/Edge Sensor Adjustment I hit a roadblock when it tells me to set the media. The problem has been that the machine won't let me set any media without giving me the "Undefined Media" message and I guess that doesn't change despite being in a different menu.

The sensor might simply be broken...

 

Are you talking about the Media Rear [P_REAR Sensor] menu option? The Media Rear setting is on 242 and the Edge AD setting is on 5. I can't seem to change either of those. Are those numbers what they should be or do those numbers indicate a problem?

Thanks,
Brian M