Standard USB Port Disabled
The printer discards any data received through the USB port. Try one or more of the following:
• Touch Continue to clear the message.
• Make sure the USB Buffer setting is not disabled.
Unable to Retrieve the Solution
Try one or more of the following:
• Make sure your printer and computer are each connected to the Internet through an Ethernet or wireless
connection.
• Make sure your printer is securely connected to the host computer, print server, or other network access point.
• Touch OK to clear the message.
Unrecoverable Scan Error
Try one or more of the following:
• Restart your printer.
• Update your printer firmware.
USB Device Not Supported
Remove the unrecognized USB device and replace it with a supported device.
USB Hub Not Supported
Remove the unrecognized USB hub.
Clearing paper jams
• “Paper jam in the printer” on page 148
• “Paper jam in the duplex unit” on page 151
• “Paper jam in the ADF (select models only)” on page 152
• “Paper or specialty media misfeeds” on page 154
Paper jam in the printer
Note: The parts inside the printer are sensitive. Avoid unnecessarily touching these parts while clearing jams.
Troubleshooting
148
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