Avery Dennison Monarch 9855 Operator Handbook - Manual (Page 62)

5-6 Operator's Handbook
Setting the Mode
To change the setting, from the Main Menu select Setup, Port Settings, then
Parallel Comm. Then, follow these steps.
1. Press  or  until you see
PARALLEL COMM
 Mode
2. Press Enter/Pause.
MODE
Com patible 
3. Use  or  to select either "Compatible" or "IEEE1284." Press
Enter/Pause. Use compatible mode for a computer connection to the
printer with a parallel cable. Use IEEE-1284 for bi-directional Ethernet
communications. See Appendix B, "Accessories & Options" for more
information about Ethernet options.
4. Press Escape/Clear until you see the Main Menu.