B710, B720, B730 User’s Guide > 23Configuring Custom SizesTo print on custom size paper loaded in trays 1 to 4, you mustset the paper size on the control panel. Use the Menu to set Auto-Sense OFF and then set Custom Size for the intended tray.You may also need to set it in the printer driver, depending onthe paper size. See the description of Express Print for an easy way toprint on various Custom Sizes.Caution!When setting the paper size in the printer driver and controlpanel, be sure to specify the same size as the actual paperused. Setting the wrong size for printing will cause printerfailure. This is especially true if you configure a bigger sizewhen using a narrow width paper.NoteTo return to standard paper size settings, select [Auto]. Theprinter will automatically detect the size and orientation ofthe loaded paper.