Epson DFX-9000 - Manual (Page 36)

36 Paper Handling
4. If the paper is not aligned with the tear-off edge, press the
Micro Feed buttons to feed the paper forward or backward
in 1/216-inch increments. (You can also hold down either
Micro Feed button to feed the paper continuously.)
Note:
You can reset the tear-off position only when you are in tear-off mode
(after you press the Tear Off button once and the Tear Off light is
on). The printer remembers the new tear-off position even after the
printer is turned off, reset, or initialized.
tear-off-edge