BJTZ440D Invalid input. Form length metric can only be Inches or CM.

Explanation An invalid value was specified on the second line
of the Form Length field. This field identifies the page length that
can be printed without reconfiguring the printer; the second line
indicates the unit of measurement (inches or centimeters) for the
page length.  

User response On the second line of the Form Length field, type
either Inches (with an uppercase "I") or CM.  