11-21
Troubleshooting
Message
Description
Action
USB/USB PORT ERROR
TURN POWER OFF
→
ON
A USB memory error or
USB memory port error has
occurred.
Disconnect the USB memory
from the USB memory port,
turn off/on the main power
switch, and connect the USB
memory again. If the message
appears after connecting
the USB memory to the USB
memory port, the USB memory
may have problem. If the
message persists after turning
on the main power switch, the
USB memory port may have
problem. In this case, turn
off the main power switch,
disconnect the power cord,
and contact Canon Customer
Care Center.
Summary of Contents for ImageCLASS MF4690
Page 35: ...What Can I Do with This Machine xxxiv ...
Page 59: ...Before Using the Machine 1 24 ...
Page 77: ...Document and Paper 2 18 ...
Page 165: ...Receiving Documents 5 12 3 Press Stop Reset to return to the standby mode ...
Page 173: ...Printing 6 6 ...
Page 189: ...Scanning 7 16 ...
Page 190: ...PC Faxing 8 PC Faxing PC Faxing 8 2 ...
Page 193: ...PC Faxing 8 4 ...
Page 194: ...Remote UI 9 Remote UI Remote UI 9 2 ...
Page 197: ...Remote UI 9 4 ...