Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetFontSize: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetCharacterSpacing: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetTextMatrix: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextGetShouldSmoothFonts: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetTextPosition: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetFont: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetFontRenderingStyle: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextGetShouldSmoothFonts: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetTextPosition: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetFont: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetFontRenderingStyle: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextShowGlyphsWithAdvances: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetFontSize: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetCharacterSpacing: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextShowGlyphsWithAdvances: invalid context
Apr 9 14:29:31 Fenris Nisus Writer Pro[910]: CGContextSetFontSize: invalid context
I guess it's back to using Pages

There is another thread about this problem in the Nisus Express thread.
This is not s problem with print drivers - I'm using a Canon iP4500, same thing happened with my Canon i850. All my other applications print with no problems.
I wish we could get this fixed.