Solution
There is no paper in the paper cassette.
When printing a report or list, the appropriate paper size is not specified.
When printing a report or list, set the paper size to <A4> or <LTR>, and then load paper of the corresponding size.
When receiving a fax, the appropriate paper size is not specified.
Set the appropriate paper size and type to print a received document.
The following paper sizes and types are available for printing a received document.
Available paper size: A5, B5, A4, STMT, EXEC, LTR, LGL
Available paper type: Plain, Plain L