Canon PIXMA TR4720 Online Manual page 527

1651
Cause
The printer is still unable to communicate normally and cannot recognize the status of the ink cartridge.
Printing function is deactivated until the printer can communicate normally.
What to Do
Press the printer's Stop button to cancel printing.
Take action immediately to enable the printer to communicate normally, following the instructions below.
• Network Connectivity •
Refer to the following page and check the connection status between the printer and the network.
Manually Solved Network Troubles
• • Web Service License Agreement Status
Print the network setting information of the printer and check "Web Service Status" (registration
status).
Printing Network Settings
If it is not "Registered", refer to the following page and re-register the service.
Re-register the service
• • Service Engagement Status
Refer to the following page and check the service contract status.
Confirm service contract
527