Ricoh FT 4015 Service Manual page 29

20 December 1996 ERASE
4. ERASE
4.1 OVERVIEW
[A]
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a b c d e f g h i j k l m n m l k j i h g f e d c b a
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The erase lamp [A], which is installed in the copier main frame, consists of a
single row of white LEDs (38 LEDs) extended across the full width of the
drum. The erase lamp has the following functions: leading edge erase, side
erase and trail edge erase. (Trail edge erase begins after the trailing edge of
the copy paper; therefore, the trailing edge of the copy will not be erased.)
In side erase mode, the appropriate LEDs turn on in accordance with the
modes selected by the user.
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