USB <x>
What this message means:
The printer is processing data through the specified USB port.
Waiting
What this message means:
The printer has received a page of data to print but is waiting for an End of Job command, a Form Feed command, or additional data.
What you can do:
•Press Go to print the contents of the buffer.
•Press Menu to open the Job Menu and cancel the current job.
See also:
Canceling a print job
100–199 Service <message>
What these messages mean:
Messages labeled
What you can do:
Turn the printer off and check all cable connections. Turn the printer back on. If the service message recurs, call for service and report the message number and description of the problem.
See also:
Calling for service