The mat cannot be recognized.
Possible Causes (or Results)
Case1 : The dotted marks on the part of the mat that is inserted are dirty.
Case2 : The dotted marks on the part of the mat that is inserted are hidden by material that was attached.
Case3 : The mat was inserted so that the side with the material attached is facing down.
Case4 : The scanner glass is dirty.
Case5 : A mat that cannot be recognized has been inserted.
----- Case1 -----
Clean the dotted marks on the mat and their surrounding area.
----- Case2 -----
Attach the material while keeping it within the adhesive area of the mat.
----- Case3 -----
Insert the mat so that the side with the material attached is facing up.
----- Case4 -----
Clean the scanner glass from the bottom of the machine.
>> For details, see “Cleaning the scanner glass”.
----- Case5 -----
If a mat designed specifically for this machine is not being used, use the specially designed mat.