Relation Of Shutter Motor End Position Signals And Home Position D; Relation Between Ih Error Signals And Ih Interlock Switch; Relation Of Signals Of Duplexing Unit Cover Opening/Closing Detection - Toshiba e-STUDIO 5540C Service Manual

Table 1. Relation between signals of shutter motor end position detection and home position d
Status
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
Status
Closed
Opened
Opened
Opened
End position
detection
H
H
L
L
IH error signal-2
L
L
Duplexing unit
opening/closing
detection sensor
(LGC side)
H
H
L
L
Home position
detection
H
L
H
L
IH error signal-1
L
L
Other than the above
Duplexing unit
opening/closing
detection sensor
(PFC side)
H
L
H
L
IH error signal-0
H
L