2.5.2 Sensor Descriptions
The following table gives a brief description of each sensor and its function.
Code
Name
DS1
Document sensor 1
DS2
Document sensor 2
HOME
Mirror carriage home
position sensor
END
Mirror carriage end
position sensor
APS
ADF permit sensor
TXIL
Interlock switch (ADF)
(ADF)
PSS
Paper set sensor
PDS
Paper discharge sensor
PES
Paper empty sensor
HPES
Hand paper empty
sensor
TOS
Toner sensor
CASOP
Paper cassette open
sensor
JCOP
Jam access cover (side
cover) open sensor
COVER-
Cover switch
SW
Detects
Presence of document in feeder
Leading and trailing edge of document
Mirror carriage position
Mirror carriage position
Platen cover quite close or not
Scanner cover open or close
Detects paper feeding out of
cassette/tray.
Detects paper pass at paper exit.
Detects presence of recording paper in
the 1st paper cassette
Detects presence of recording paper in
the bypass tray
Detects the toner empty and toner
cartridge set.
Detects the 1st paper cassette open or
close
Detects the side cover open or close
Detects top cover open or close
2-9
Sensor Type
Photo interrupter
Mechanical Switch
Photo interrupter
Photo interrupter
Photo interrupter
Micro switch
Photo interrupter
Photo interrupter
Photo interrupter
Photo interrupter
Photo interrupter
Photo interrupter
Photo interrupter
Micro switch