Hi Tobias,

Type the following "test" along the paper at the left, center, and right side of the platen.

Post up a photo of the results.

HhHhHhHhHhHhHhHh                                 HhHhHhHhHhHhHh                         HhHhHhHhHh

If the letters are not even along the bottoms and some tops are faint, you may need to look for the adjustment screws to align the Upper and Lower case with each other.

Is this Japan-made "Facit" a segment-shfting or a carriage-shifting typewriter ?
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Tobias,

Your machine is a carriage-shifter, then.

Look along the side of the machine on the right and the left when you move the carriage from one side to the other.  You should see some pivot arms which raises and lowers the carriage when you use the "Shift" key-tops.  Associated with those pivot arms, would be some sort of stop at the rise of travel and the lowest point of travel.  Look for a pair of adjustment nuts/screw at both sides of the machine just below the carriage travel.

Typically I will try to set the lower-case adjustment, first, until the entire shape of the lower-case characters print out.  Then I would set the upper-case adjustment so the Hh line up with each other at the bottom of the characters.

If you cannot find those 2 pairs of adjustment points, take some photos of those areas and maybe we can see/find them in your photos.


BTW...I think these Japan-made "Facit" badged machines were made by Nakajima for Silver-Seko / Silver-Reed in the later 1960's and early 1970's. 

Here is an example on Etsy with some photos.  It is very similar to your machine...including the single metal card holder on the right-side of the type guide / ribbon vibrator area.

Design of the case of both machines is very similar as well.
 
https://www.etsy.com/listing/922631874/vintage-silver-reed-idol-2-in-orange?ga_order=most_relevant&ga_search_type=all&ga_view_type=gallery&ga_search_query=silver+seiko+typewriter&ref=sr_gallery-1-6&organic_search_click=1

And we're back!

Took a look at the back of the machine after watching some YouTube videos. I think these are the screws I'm looking for but I'm not sure:

https://imgbox.com/T6XGli9U
https://imgbox.com/7xZsRNHw
https://imgbox.com/EcAcuL5Y

What way do I turn it and what tool size would fit? 

Tobias,

Here is a very good article about  how to make these adjustments on some other-brand carriage-shift machines :

https://munk.org/typecast/2013/08/01/typewriter-repair-101-adjusting-vertical-typeface-alignment-carriage-shift-typewriters/#comment-167930

Tobias,

Looks like those, indeed, would be the adjustment points.