Pro C720-900 Deleting images in thick paper

[pro.b.unal]

Do you have another idea about this is?

[Jomama46]

Select thick 3 as the paper type,, which will slow the transport thru the fuser.

[pro.b.unal]

Select thick 3 as the paper type,, which will slow the transport thru the fuser.

cpm down setting all the positions I've tried but the result is still the same