A K-ATS connection detection Not connected Connected
B C-ATS connection detection Not connected Connected
C M-ATS connection detection Not connected Connected
D Y-ATS connection detection Not connected Connected
A Destination judgment of fuser unit
STUDIO5540C/6540
Others
Shutter motor end position detection /
Shutter sensor (end position)
Shutter motor home position detection /
Shutter sensor (home position)
H Pressure roller temperature abnormality Normal Excessively high
G Image position aligning sensor (rear)
Detecting reflection
light from the belt
reflection light from
H Image position aligning sensor (front)
Detecting reflection
light from the belt
reflection light from
A Color drum phase sensor Sensor shielded Sensor not shielded
B K drum phase sensor Sensor shielded Sensor not shielded
C
Transfer belt paper clinging detection
sensor
Paper present No paper
D
2nd transfer side paper clinging
detection sensor
Paper present No paper
G Image position aligning sensor (Center)
Detecting reflection
light from the belt
Not detecting
reflection light from
B Waste toner amount detection sensor Nearly full Not full
E
Duplexing unit opening / closing
detection sensor -LGC (Refer to table 3)
OFF(H) ON(L)
G
Front cover opening / closing detection
switch
Cover opened Cover closed
E OFF (H) ON (L)
OFF (H) ON (L)
C OFF (H)
[6]
[7]
D OFF (H)
ON (L)
ON (L)
[0]
[9]
H
2nd transfer roller contact / release
detection sensor
Contacted
[8]
A OFF (H) ON (L)
B