Ricoh SP 8400DN Field Service Manual page 1409

7.Detailed Descriptions
Toner Collection Full Detection Mechanism
The toner collection full sensor [A] is located above the feeler [B] of the waste toner bottle. When the amount of
collected toner in the waste toner bottle reaches about 90%, the feeler [B] is lifted and interrupts the toner
collection full sensor. After the machine detects that the waste toner bottle is full based on the coverage counter or
page counter, whichever comes first, the pixel counter calculates the remaining days for the waste toner bottle
replacement. When the machine prints 37,000 sheets after detecting a bottle near full, the status is changed to
bottle full. SP3-810-011 allows you to adjust the duration between bottle near full and bottle full.
The remaining day counter = 15 days: The machine informs the status via @remote (if connected).
The remaining day counter = 5 days: The machine displays a message that indicates the near full condition on the
operation panel.
The remaining day counter = 0 days: The machine displays a warning on the operation panel and the machine
stops.
(Reference) Waste Toner Bottle Life (Sheet count)
Coverage 3%: 460K
Coverage 6%: 320K
Coverage 10%: 230K
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