It can be used via USB but not recommended, the USB Port could be rendered useless with a new Firmware Update. Intall a second NIC in the PC and create a separate Network Scheme for the Printer isolating it from any other networks you may be utilizing, this will serve you better in the long run. Here's how:
The Printer
1. The printer indicates “READY TO PRINT”
2. Press the “MENU” button
3. Using the “RIGHT” arrow button scroll right once
4. Using the “DOWN” arrow button scroll down to “IP ADDRESS”
5. Press “ENTER”
6. Configure the address to 172.018.003.101
7. Press “Enter” to save this setting
8. Press “CANCEL” one time
9. Using the “DOWN” arrow button scroll down once to “SUBNET MASK”
10. Press “ENTER”
11. Configure the Subnet Mask to 255.255.255.000
12. Press “Enter” to save this setting
13. Press “CANCEL” all the way back to “READY TO PRINT”
The Computer
1. On your computer go to “START” then “CONTROL PANEL” then “NETWORK CONNECTIONS”
2. Locate the “Local Area Connection” that you have your Printer connected to using a “CROSS-OVER” Ethernet Cable
3. “RIGHT CLICK” on the that “Local Area Connection” and scroll down to “Properties” and left Click
4. Scroll down to “Internet Protocol (TCP/IP)” and highlight it. Then click on the “Properties” button
5. Put a “DOT” in beside the term “Use The Following IP Address”
6. Now enter the IP Address “172.018.003.100”
7. Now enter the Subnet Mask “255.255.255.000”
8. Press “OK”
9. Go back to the “Windows Desktop”
10. Open your RIP Programs “Production Manager”
11. Go to “SETUP”, then “ADD SET-UP”
12. Choose “COLOR PRINTERS”
13. Choose “MUTOH”
14. Choose “VJ-1204”
15. Choose “TCP/IP”
16. Enter “172.018.003.101, Port should already be “9100”
17. Save these settings.
18. Choose a good Profile based on your media, adjust your Rendering Settings, adjust your Heater Settings and save.
19. Now send a JOB and make some money to pay for this darn thing...