Optimize your paper input with this 550 sheet tray for the cs720 cs725 and cx725 series printers and mfps paper size tray present media present tray low and tray empty sensing are supported supported media sizes 10 envelope a4 a5 b5 envelope c5 envelope dl envelope executive folio jis b5 legal letter statement universal oficio a6 media types supported card stock envelopes labels plain paper