Changes

\definepapersize[sheet][width=16cm,height=11cm]\setuppapersize[sheet]\setuplayout[topspace=0.5mm, backspace=0.5mm,header=0pt, headerdistance=0pt,footer=0pt,footerdistance=0pt,width=15cm,height=11cm]\setupbodyfont[12pt]\definefontfamily [mainfacealatinmodernroman] [rm] [latinmodernroman]\definefontfamily [mainfaceblatinmodernsans] [rm] [latinmodernsans]\definefontfamily [mainfaceclatinmodernmono] [rm] [latinmodernmono]\definefontfamily [mainfacedtexgyreadventor] [rm] [texgyreadventor]\definefontfamily [mainfaceetexgyrebonum] [rm] [texgyrebonum]\definefontfamily [mainfaceftexgyrecursor] [rm] [texgyrecursor]\definefontfamily [mainfacegtexgyrechorus] [rm] [texgyrechorus]\definefontfamily [mainfacehtexgyrepagella] [rm] [texgyrepagella]\definefontfamily [mainfaceitexgyreshola] [rm] [texgyreshola]\definefontfamily [mainfacejtexgyretermes] [rm] [texgyretermes]\definefontfamily [mainfacekdejavuserif] [rm] [dejavuserif]\definefontfamily [mainfaceldejavusans] [rm] [dejavusans]\definefontfamily [mainfacemdejavusansmono] [rm] [dejavusansmono]\definefontfamily [mainfacengentium] [rm] [gentium] \definepapersize[sheet][width=15cm,height=11cm] \setuppapersize[sheet]\setuplayout[topspace=0.5mm, backspace=0.5mm,header=0pt, headerdistance=0pt,footer=0pt,footerdistance=0pt,width=14cm,height=11cm]\setupbodyfont[mainfacealatinmodernroman]\switchtobodyfont[12pt] 

\startitemize[n,packed]\item The quick brown fox jumps over the lazy dog (default)\\\switchtobodyfont[mainfacealatinmodernroman] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfaceblatinmodernsans] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfaceclatinmodernmono] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfacedtexgyreadventor] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfaceetexgyrebonum] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfaceftexgyrechorus] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfacegtexgyrecursor] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfacehtexgyrepagella] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfaceitexgyreshola] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfacejtexgyretermes] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfacekdejavuserif] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfaceldejavusans] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfacemdejavusansmono] \item The quick brown fox jumps over the lazy dog\\\switchtobodyfont[mainfacengentium] \item The quick brown fox jumps over the lazy dog\\\stopitemize