Basically what the subject says.
The MWE I have included lists all possible factors that can prevent the solution not being correct:
Not_blank.tex
\blankpage
\eject \pdfpagewidth=5.5in \pdfpageheight=8.5in
\begin{center}
text
\end{center}
\clearpage
\begin{center}
text
\end{center}
\eject \pdfpagewidth=7in \pdfpageheight=10in
\blankpage
\clearpage
Extract of packages.tex
\usepackage[paperwidth=7in, paperheight=10in, showframe]{geometry}
Extract of papersetup.tex
\setstocksize{10in}{7in}
\settrimmedsize{10in}{7in}{*}
\setbinding{0.250in}
Extract of preamble.tex
\setlength{\parindent}{0pt}
\checkandfixthelayout\fixpdflayout
Extract of main.tex
\documentclass[9pt,twoside,onecolumn,openright,extrafontsizes]{memoir}
I tried doing a Google search, but nothing came up.
Edit: I have already used \setbinding
for the page (recto)
Picture of what it's supposed to look like (with showframe):
Picture of what it currently looks like (with showframe):
geometry
package allows one, in the middle of a document, to change both the page layout (margins/etc) as well as the paper size, if desired.crop
package as well as thepdfpages
package allow the introduction of crop marks for setting the trim size.