Library /sys$common/syshlp/decw$printwgt.hlb Overview, print_options, operator_message  *Conan The Librarian (sorry for the slow response - running on an old VAX)

  The Operator Message field allows you to enter a
  message of up to 255 characters to be sent to the
  operator when the job begins to print.

  To enter a message in the Operator Message field:

  1. Move the pointer to the Operator Message entry
     field.

  2. Click MB1. Enter a message in the field.

  3. Click on the OK button.