Kyocera ECOSYS MA4500fx Operation Manual page 337

Setup and Registration (System Menu) > System Menu
Item
Correct. Bk Line
Service Setting
Correct fine lines (streaks caused by contamination), which may appear on the image,
when the document processor is used.
Value
Off: No correction performed. Select this when you want to reproduce fine lines in
the original more clearly than with [On].
On: Correction performed.
Settings for machine maintenance and inspection. This menu is primarily used by service
technicians to perform maintenance.
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Description