Avery Dennison Monarch 9855 Operator Handbook - Manual (Page 43)

Setting Supply Options 4-9
To change the setting, from the Main Menu, select Setup, Supply, then
Positioning. Then, follow these steps.
1. Press  or  until you see
POSITIONING
 Print Pos 
2. Press Enter/Pause. The current setting is displayed, for example:
Enter print pos
[-450/450]: +0
3. Press  or  to change the print position. Pressing  decreases the
value (moves the image down);  increases it (moves the image up).
4. Press Enter/Pause when the number you need appears. Press
Escape/Clear until you see the Main Menu.