Komori L420 or L420B

Hello there
Ganesh here I'm facing very weird problems with komori 420 and 420 B what is the difference in this both machine and what is the maximum printing for this machine so I can clear my mind I have seen lost of google post that says 360x510mm but dealers saying this machine have 340x510mm printing size so am very confused please help me if someone can help me please share operating manual if possible
Thank you
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Not familiar with the press in question, but I will say that there is at times a difference between the maximum size sheet that the press will accept, and the maximum image size that a press will print. Perhaps this is where your discrepancy lies.