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