Canon imageFORMULA CR-50 CR-50/80 Operation & Maintenance Guide - Page 15
Cleaning the Magnetic Heads, Maintenance Cover.
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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. 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. 6 Gently close the Maintenance Cover until it clicks into place. 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 15
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