Dictaphone 3750 Desktop Cassette Transcriber / Recorder "0421 manual" Questions

Dictaphone 0421 Ihave (2) 0421 sets we ordered but no paper work eg:operating or assembly instructions Manual is available for download here. https://isupport.nuance.com/OA_HTML/ibuktl.jsp

...0421 I bought this second-hand and did not get any instructions or a manual with it. Is there a downloadable manual for this or can I order one? Thanks. RP5030 u s e r m a n u a l ...

...manual or instructions for re=programming my Dictaphone Desktop Cassette transcriber - Model #0421 which I have recently dusted off to use. Thank you! Hello ...

...processor 2720 http://www.mtstars.com/t-1,FREE_Dictaphone_C-phone_0421/0424_manual,2655.html ...