Canon imagePROGRAF TA-20 MFP 24" Large Format Printer with L24ei Scanner and Stand Kit - Manual (Page 889)

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Cause
Attempted to change LAN settings, but they cannot be changed for the following reasons.
• Printer is operating
• Printer currently being configured using
Remote UI
What to Do
Tap OK on the touch screen to dismiss the error, exit other processes and then configure the settings
again.
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