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I am about to send some sketches which I have scanned and and tidied up in Photoshop. My scans were 300dpi at the scanner. I've checked by docs and they all say 300 pixels per inch.
Here's an example:
I tend to work for web, so don't do print stuff.
Am I on the right track? Are the files big enough for print? Please excuse my novice-ness.