Blank Sheet Detection - Ricoh FAX2000L Service Manual

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SYSTEM FEATURES

2.3.7 BLANK SHEET DETECTION

When the machine scans the document for transmission, it counts the black pixels.
If the number of black pixels is below a certain threshold, the machine displays an
error message (BLANK DOCUMENT).
Immediate transmission
When the machine detects one or more blank pages, the LCD displays an error
message for 20 seconds after transmission.
Memory transmission
When the machine detects one or more blank pages, the LCD displays an error
message for 20 seconds after completing memory storage.
Cross-reference: Section 4.5 Service RAM Address
8002E8 Error display condition
The setting of this RAM address determines when the machine displays the "blank
paper detected" error message.
01H: If the first page is blank
02H: If all the pages are blank
03H: If at least one of the pages is blank
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30 November, 1999

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