I have a Kindle DX and you definitely cannot change font size on a PDF (or reflow PDFs) although you can on .mobi or .azw (kindle format) files. The only way to change the print size is to rotate a portrait PDF to landscape, which gives you a zoom factor roughly equivalent to a true size 8.5 x 11. It's not perfect, but it I find myself using it a lot in the absence of any resizing/reflow/zoom capability.
|