Canon imageFORMULA DR-2580C Compact Color Scanner User Manual - Page 75

Cleaning the Sensor Glass, Shading Boards, and, the Rollers

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Cleaning the Sensor Glass, Shading Boards, and the Rollers If scanned images have extraneous marks, or if the scanned documents are dirty, then the sensor glass or rollers inside the scanner may be dirty. Clean them periodically. 1. Pressing the OPEN knob from both sides, raise the upper unit. Chapter 3 Note • The location of the sensor glass and various rollers are shown below. • The scanner has white, 0.08" (2 mm) wide shading boards located at the front and back of the upper and lower sensor glasses. The scanner uses the shading boards to determine white standards during scanning. Dirty shading boards can cause stripes in scanned images. Periodically clean them to ensure good scanning results. Sensor Glass Roller Unit Roller Shading Boards (White Standard Boards) Retard Roller Appendices 71

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Appendices
71
Chapter 3
Cleaning the Sensor Glass, Shading Boards, and
the Rollers
If scanned images have extraneous marks, or if the scanned documents are
dirty, then the sensor glass or rollers inside the scanner may be dirty. Clean
them periodically.
1.
Pressing the OPEN knob from both sides, raise the upper unit.
Note
•
The location of the sensor glass and various rollers are shown below.
•
The scanner has white, 0.08" (2 mm) wide shading boards located at the
front and back of the upper and lower sensor glasses. The scanner uses the
shading boards to determine white standards during scanning. Dirty shading
boards can cause stripes in scanned images. Periodically clean them to
ensure good scanning results.
Roller Unit
Roller
Sensor
Glass
Retard Roller
Shading Boards
(White Standard Boards)