I couldn't find any PDFs of the Sharp CE-126P printer/cassette interface so I created a searchable PDF myself. If you'd like a copy, it's at

https://www.dropbox.com/s/mjmp63x41do80pv/Sharp%20CE-126P%20Instruction%20Manual.pdf?raw=1

--- SoupGate-Win32 v1.05
* Origin: fsxNet Usenet Gateway (21:1/5)