2123
Cause
Rear tray paper information registration is incomplete. Or, the paper may have been exchanged while the printer is turned off.
What to Do
If the screen similar to the following is displayed on the printer's touch screen, the rear tray paper information registration is incomplete.
If the paper loaded in the rear tray matches the paper information displayed on the printer's touch screen, select Yes.
If they do not match, select Change and then register the correct paper information.
