Ricoh FT4215, Service Training Manual

Page: 190 / 208

No. Section/Item FT4215 FT4415
Toner Density Detection And Toner Supply
1 Black Toner
End Detection The ID sensor is used for black
toner end detection.
The black development unit for
the Pigeon series cannot be
used for the FT4418 series.
The toner end detection for the
color toner is the same as that of
the FT4418 series. The toner end sensor is used for
both black and color toner end
detection. The ID sensor is used
as a back-up system
2 Black Toner
End Recovery If the front cover is opened and
closed, or the main switch is
turned off and on in the near end
and toner end conditions, no
copy can be made.
For the color toner, only one
copy can be made (same as for
the FT4418 series). Only one copy can be made in
black and color.
Cleaning
1 Cleaning Blade New type cleaning blade, no
brush
----
2 Toner
Overflow
Sensor Same as FT4415 ----
4