Paper Feed Adjustment to the max but still some dark bands

I have read the Service Manual… they recommend making this adjustment by using Epson Glossy Photo Paper 250 paper. Would it be correct to perform the Service adjustment by using Pictorico paper (which is thinner I think) or should I use a glossy thicker photo paper?

I am just trying to make sure I will not induce the printer into more error if I perform this setting with “any” kind of paper…and if Pictorico would not be the right one to use.

Thanks Walker for the help. This will be my task tomorrow morning after a whole day spent in frustration!
Ahhh… printers.

rafael