HP Designjet 2500.3500cp Printer series - Manual (Page 67)

Working with Media
Loading Roll Media
3-17
d Wind the media stop in the direction of the arrow shown below. This is to take up
any slack in the roll before closing the roll cover.
e When you have aligned the media lift the lever.
f The printer checks that the media is aligned properly. If the alignment is
successful the front panel displays:
roll cover
nue ---------->
C4723128a
Impom
Impomui ioitruy
Impomui ioitruy
after aligning
C4704131
C4704016
Lift lever
after aligning
Close roll cover
Continue--------->