Canon imagePROGRAF TA-20 MFP 24" Large Format Printer with L24ei Scanner and Stand Kit - Manual (Page 349)

List of Devices Which May Interfere with Wi-Fi Communication
While using the printer via Wi-Fi, the following devices near the printer or wireless router may cause radio
frequency interference and affects connection between the printer and wireless router. Radio frequency
interference may cause sending print jobs or printing speed to slow down.
• Microwave oven
• Baby monitor
• Wireless mouse
• Wireless keyboard
• Wireless earphone/headphones
• Wireless camera (e.g. security camera)
We recommend you take measures below to avoid radio frequency interference.
• Place the devices above as far away from the printer or wireless router as possible.
• Turn the devices off and stop using them temporarily.
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