Canon FORMULA CR-80 - Manual (Page 15)

15
IMPORTANT
Scratches on the scanning glass may cause marks on the images
and could cause feeding errors. If there are scratches on the
scanning glass, contact your local authorized Canon dealer or
service representative.
5
Gently close the reading unit until it clicks into place.
6
Gently close the Maintenance Cover until it clicks into
place.
Cleaning the Magnetic Heads
If the magnetic heads are dirty, then MICR characters cannot be
scanned correctly. Periodically, clean the magnetic heads with a
commercially available audio head cleaner.
1
Hook your finger around the open lever and open the
Maintenance Cover.
2
Use a commercially available audio head cleaner to clean
the magnetic heads.
The magnetic head is located in the position shown in the diagram
below.
Magnetic
Head