| 摘要 |
PROBLEM TO BE SOLVED: To surely prevent feeding defect and to easily clean a sheet feed roller by forming a viscous part and a wiping off part in a sheet material. SOLUTION: One half surface of surfaces of a cleaning material (cleaning sheet) 2 is formed with a viscous part 3, and the other half surface is formed with a wiping off part 4. For the viscous part 3, a cleaning sheet having an ordinary viscous force or slightly increased viscous force is used. As the viscous force, a 150 to 800 [g/25mm] range is preferable. A range from 250 to 650 [g/25 mm] is more preferable. As the wiping off part 4, a cleaning brush having a fiber or sandpaper state on the brush, for instance, a cloth-tate material, felt, polymeric materials, etc., are used. A cutout part 2a further cutout at a corner is formed in the cleaning sheet 2. The cutout part 2a is for clearing a sheet-through direction, and the sheet is set to a sheet feeder with the cutout part 2a placed in an under side in the sheet-through direction.
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