Yes: I bought this in 2020. I make questionable decisions. Many, many of them
Included in this repository, you can find several documents relating to this device.
I could only find one brochure-type piece of promotional material, which is below.
Fujitsu Stylistic 3400 Promotional Material PDF
Fujitsu supplied the manual in 5 different languages: English, French, German, Italian, and Spanish. This manual is downloaded directly from their official drivers page.
The guide below is downloaded directly from Fujitsu’s website.
Fujitsu Stylistic 3400 Technical Reference Manual (English)
Each of the official accessories also had manuals.
See this page.