Epson WorkForce Pro WF-C4310 Wireless Color Printer - Manual (Page 22)

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You see a screen like this:
3. Select Off as the Operation Time Out setting.
Parent topic: Using the Control Panel
Preventing PC Connection via USB
You can disable access to your product from a USB-connected computer. This restricts non-network
access to the product.
Note: This setting can be locked by an administrator. If you cannot access this setting, contact your
administrator for assistance.
1. Press the home button, if necessary.
2. Select Settings > General Settings > Printer Settings > PC Connection via USB .