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Communication Error
The printer cannot communicate with the requested destination. 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.
Duplex Unit Missing
Try one or more of the following:
• Make sure the duplex unit is properly installed at the back of the printer to clear the message.
• Cancel the current job.
Ink Cartridge Error
The printer is unable to authenticate one or more of the installed ink cartridges. Try one or more of the following:
• Press to cancel the current job.
• Install the specified ink cartridges properly.
• Turn the printer off, then wait about 10 seconds, and then turn the printer back on.
Note: Make sure the printer is not in Sleep mode. Press and hold
for three seconds to turn off the printer.
• See the User's Guide for more information.
Troubleshooting 134