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Roland RS-640 printing "test lines" in print

It isn't very noticeable but, for example it will print a mostly white yard sign and in the white space there is the occasional single nozzle width drops looks like the test pattern.

Like it is spraying (or dropping) dots on the passes. Even on colors that are not being used. There will be Black or cyan drops on a red sign for example.
Unless you are looking real close you can't see it.

I suspect the wiper setup, but have yet to have time to check/replace them...Must keep printing lol

Also does it between signs as it moves the .15 to the next print

Thanks!:signs101:
 
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