[. . . ] Basic system AR-M351N/M451N (Copier/Network printer model) Necessary options · Any one of the stand/MPD & 2000 sheet paper drawer (ARD28), the stand/3 x 500 sheet paper drawer (AR-D27), or the multi purpose drawer (AR-MU2)* · Any one of the upper exit tray extension (AR-TE4), the finisher (AR-FN6), the mail-bin stacker (AR-MS1), or the right upper exit tray (AR-TE5) · AR-EF3 · AR-RK2 * To install the AR-MU2, the exclusive-use desk is required. AR-M351N/M451N CONFIGURATION 2 - 1 B. [. . . ] · Required when the duplex module (AR-DU3) is installed and the saddle stitch finisher (AR-FN7) is not installed. · Any one of the multi purpose drawer (AR-MU2), the stand/3 x 500 sheet paper drawer (AR-D27), or the stand/MPD & 2000 sheet paper drawer (AR-D28) is required. · The duplex module/bypass tray (AR-DU4) cannot be installed with the exit tray (AR-TE3) or the saddle stitch finisher (ARFN7). · When the duplex module (AR-DU3) is installed, the exit tray (AR-TE3) or the saddle stitch finisher (AR-FN7) is required. · Simultaneous installation with the finisher (AR-FN6) is inhibited. · The stand/3 x 500 sheet paper drawer (AR-D27) or the stand/ MPD & 2000 sheet paper drawer (AR-D28) is required. · Simultaneous installation with the saddle finisher (AR-FN7) is inhibited. · Any one of the multi paper drawer (AR-MU2), the stand/3 x 500 sheet paper drawer (AR-D27), or the stand/MPD & 2000 sheet paper drawer (AR-D28) is required. [. . . ] = Cannot be installed together. AR-M351N/M451N CONFIGURATION 2 - 4 Data security kit Mail-bin stacker Duplex module Upper exit tray Bar code font Punch unit Exit tray Finisher [. . . ]