Re: m401dn - cannot get to second page in touchscreen menu

I don't see any fixes for the  specific issue you describe, but there is a new version of firmware that you can try. Although your issue isn't listed, there are usually many other fixes included that aren't listed with each release.

http://h20566.www2.hp.com/portal/site/hpsc/template.PAGE/public/psi/swdDetails/?sp4ts.oid=5096260&spf_p.tpst=swdMain&spf_p.prp_swdMain=wsrp-navigationalState%3Didx%253D3%257CswItem%253Dlj_106283_8%257CswEnvOID%253D4063%257CitemLocale%253D%257CswLang%253D%257Cmode%253D4%257Caction%253DdriverDocument&javax.portlet.begCacheTok=com.vignette.cachetoken&javax.portlet.endCacheTok=com.vignette.cachetoken