\documentclass[12pt,headsepline,smallheadings]{scrbook}
\usepackage[latin1]{inputenc}
\usepackage[T1]{fontenc}
\usepackage{longtable,ngerman,textcomp,caption,toc loft}
\usepackage[norule]{footmisc}
\usepackage[papersize={170mm,240mm},hdivide={22mm,125mm,*},vdi vide={15mm,197mm,*},
foot=12mm,includehead]{geometry}
\renewcommand{\rmdefault}{pg3}
\renewcommand{\tablename}{Tab.}
\renewcommand{\contentsname}{Inhalt}
\renewcommand{\cfttoctitlefont}{\hfill\Large\bfser ies}
\renewcommand{\cftaftertoctitle}{\hfill}
\setlength{\parindent}{0em}
\linespread{0.899}
\setkomafont{sectioning}{\normalfont\normalcolor\s cshape}
\setkomafont{pagehead}{\normalfont\normalcolor\its hape}
\setkomafont{descriptionlabel}{\normalfont\bfserie s}
\setkomafont{title}{\large\scshape}
\deffootnote{0.2cm}{0cm}{\textsuperscript{\thefoot notemark}}
\usepackage[cross,a4,center]{crop}
\begin{document}
...
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