I made a discovery today that may interest you. It is a free service and you can get my autograph as a PDF through Kindlegraph. I learned today that Kindlegraph is actually not a part of Amazon and the Kindle. It’s just the name they are using.
A PDF is viewed in your browser and can be printed or saved to your printer. I requested a kindlegraph from Lisa Renee Jones and got one. Please note that you do have to have a Twitter account to sign in at the Kindlegraph website.
The screen cap below is the PDF that I received. You get an email from Kindlegraph asking you what format to download or view. Select PDF if you do not have a Kindle.
I hope this helps. My books are at http://www.kindlegraph.com/authors/alleyalex
Send me a request 
Source:
http://thevampirefromhell.wordpress.com/2012/09/22/1562/