Media and tray_ 39• Do not push the paper guide too far causing the media to wrap.• If you do not adjust the paper width guide, it may cause paperjams.Do not overload the tray. Otherwise, it may cause paper jams.Make sure that the paper is below the maximum paper capacityguide inside the tray.8. Fix the the paper length guide using the locking switch. Release thelocking switch to load a different sized paper.9. Insert the tray back into the machine.When you print a document, set the paper type and size for the tray.For information about setting the paper type and size on the controlpanel (See "Tray setting" on page 47).The standard tray and optional dual cassette feeder can automaticallydetect various-sized paper (See "Media sizes automatically detected" onpage 44).If you set the Tray Confirmation Message ON in Tray Settings, theconfirmation window appears automatically (See "Setting the trayconfirmation message" on page 49).Check if the paper size and type in the tray are detected or not. If youwant to set the paper size and type or if the machine cannot detect them,you can set the size and type directly in the confirmation window.Some paper types are displayed with abbreviation. Tab Ext.stands for Tabloid Extra, EXEC and STMT are Executive andStatement each.• If you experience problems with paper feeding, check whetherthe paper meets the media specification (See "Print mediaspecifications" on page 252). Then, try placing one sheet at atime in the multi-purpose tray (See "Multi-purpose tray" onpage 42).• The settings made from the machine driver override thesettings on the control panel.To print from an application:a) Open an application and start the print menu.b) Open Printing Preferences (See "Opening printingpreferences" on page 140).c) Press the Paper tab in Printing Preferences, and selectan appropriate paper type, size, and source.d) Press OK.e) Start printing from an application.1 Paper capacityguide1 Locking switch