Cannot save costum size F4/Folio and can't print bookfold in ms.word 2010 with ip2770

[nosada]

My Printer : Pixma IP2770

1. I have added the costum page size Folio/F4 8,5"X13,0" to printer properties on IP2770 and I couldn't save to paper size at Microsoft Office 2010,,

2. I can't print bookfold to the normal word size, I using bookfold setting on microsoft office 2010 and the word output from printer getting smaller, not normal size,,

I've using bookfold setting at the printer properties to, but it did't work anymore..

please help me, because my IP2770 is new . .