Toshiba e-STUDIO6520C Service Handbook page 45

Digital
Button
key
A
B Waste toner amount detection sensor
C
D
[0]
E Duplexing unit opening / closing detection
sensor -LGC (Refer to table 3)
F
G Front cover opening / closing detection switch
H
Table 1.Relation between signals of shutter motor end position detection and home position detection
Status End position detection
Abnormal
Shutter opened
Shutter closed
Moving
Table 2.Relation between IH error signals and IH interlock switch
Status
Duplexing unit interlock switch ON
(Duplexing unit closed)
Duplexing unit interlock switch OFF
(Duplexing unit opened)
IH board abnormal
Table 3.Relation between signals of duplexing unit cover opening/closing detection
Duplexing unit opening/closing
Status
detection sensor (LGC side)
Closed
Opened
Opened
Opened
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Items to check
-
-
-
-
-
Home position detection
H
H
L
L
IH error signal-2
L
L
Duplexing unit opening/closing
H
H
L
L
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Contents
Highlighted display
e.g.
-
Nearly full Not full
-
-
OFF(H) ON(L)
-
Cover opened Cover closed
-
H
L
H
L
IH error signal-1
L
L
Other than the above
detection sensor (PFC side)
H
L
H
L
e-STUDIO5520C/6520C/6530C
SELF-DIAGNOSTIC MODE
Normal display
e.g.
-
-
-
-
-
IH error signal-0
H
L
2