Im not sure what an RD109 is or why it would be different than printing any other form...have you restarted the computer and printer since the issue began?  That would be the first thing to try.   

If the reboot does nothing, this article mentions the 10250 print error

https://proconnect.intuit.com/community/printers-and-printing/help/attempting-to-print-in-proseries-...