Maybe next week we`ll do another printing test.We`ll pay attention to what you mentioned,to find out where is wrong.Hope can get a better result.

Please post your testing result when you have it.
It is interesting to know what is the cause of the problem.
Another printer having the similar problem was caused by paper and water, spent a bit of time to find it out.

Would you please sharing your similar problem which was caused by paper & water? I am so interesting in those detail that you found.:happy: