That is a known feature of epub format on sony reader. Sony reader uses different fonts for displaying epub files than LRF files. You need to set epub files to use LRF fonts.
To do that in news recipe add this line to it:
Code:
extra_css = '@font-face @font-face {font-family: "serif1";src:url(res:///opt/sony/ebook/FONT/tt0011m_.ttf)} body{font-family: serif1, serif} .article_description{font-family: serif1, serif} p{font-family: serif1, serif}'