2 months and not a single reply to this issue. I have the same issue. The shipping system seems to have changed. I'm using a Dymo 450 with label 99019 large envelope set as my default printer, but the label is being formatted by the system for 8-1/2 x 11 paper with no option to change that. If I can't print with my label printer, I'll have to find another service besides PayPal.
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