Settings: PRINT DPI
(1) Select "Settings" in the lower tab menu. Tap the item you want to change the PRINT DPI.
(2) All item can be changed. Select the resolution with the picker.
(3) To change the name, tap the settings of name and short name respectively, enter from the keyboard,
(4) you can cancel input contents by shaking the device while typing. However, the function "Shake to Undo" must be turned on.