Have you thought about printing the face with letters face down? I print the good side of 2D art work face down on a smooth plate and it looks great. Not sure if there is a smooth plate option for PTFE.
Hi @dean448
This was printed face down on a smooth plate - what you are looking at is the first layer.
Thanks - I quite liked the idea of the Sunlu one as it means I can have 4 dried spools in the AMS and another 4 in storage in the drier and I could reinstate my Creality Ender 3 v2 and feed it from the drier directly. Its a shame there arent 4 small holes in the lid of the AMS so you could feed filament straight from the drier into the Bambu. Obviously it would be a very simple mod, but probably wont do that as it will invalidate warranty 
You can dry the filament in the printer itself! it works well I used it before I bought a new drier, and you have to turn the roll over occasionally.
I added an aquarium heating pad that that heats up to 50c underneath my AMS. Keeps the temp inside a bit higher and filament dry.
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OK - big development… to recap - on this 2 colour print the first blue (generic PETG) layer goes down perfectly…
But when it starts to print the white layer it is all stringy and ruins the print…
So having taken lots of advice on here, I bought the Sunlu S4 drier and dried all my filament before printing…
Also got the humidity down to 10% in the AMS…
Tried again and as before as soon as the white goes down it ruins it 
So, having cleaned and tried everything I could think of, I decided to substitute the white for a different colour… red (generic PETG) and guess what?
Perfect results…
So, my question is… could the white PETG-HF from Bambu be faulty? Its almost as if they rolled PLA instead of PETG-HF on the roll?
Any thoughts would be appreciated - but this may stop me buying Bambu filament