Electrical Component Defects; Sensors - Gestetner A193 Service Manual

3. ELECTRICAL COMPONENT DEFECTS

3.1 SENSORS

Component
(Symbol)
Upper Exit (S1) 157-11
(IOCSS)
Lower Exit (S2)
(IOCSS)
Left Vertical Door
(S3) (IOCSS)
Left Door (S4)
(IOCSS)
Relay (S5)
(IOCSS)
PCU Detect (S6)
(IOCSS)
Fusing Exit (S7)
(IOCSS)
Charge Roller
Contact (S8) (IOCSS)
Upper Tray Paper
End (S9) (IOCSS)
Lower Tray
Paper End (S10) (IOCSS)
By-pass Feed
Paper End (S11) (IOCSS)
SM
CN Condition
Open The Paper Jam indicator will light whenever
a copy is made.
Shorted The Paper Jam indicator lights when there is
no paper.
157-8 Open The Paper Jam indicator will light whenever
a copy is made.
Shorted The Paper Jam indicator lights when there is
no paper.
157-5 Open The Door Open indicator does not light when
the left vertical door is opened.
Shorted The Door Open indicator lights when the left
vertical door is closed.
157-2 Open The Door Open indicator does not light when
the left door is opened.
Shorted The Door Open indicator lights when the left
door is closed.
104-2 Open The Paper Jam indicator will light whenever
a copy is made.
Shorted The Paper Jam indicator lights when there is
no paper.
151-1 Open The TD sensor initial setting procedure is not
performed when a new PCU is installed.
Shorted The TD sensor initial setting procedure is
performed whenever the front cover is closed.
151-6 Open The Paper Jam indicator will light whenever
a copy is made.
Shorted The Paper Jam indicator lights when there is
no paper.
151-9 Open No Symptom
Shorted SC306 is displayed.
103-2 Open The Paper End indicator lights when paper is
placed in the upper paper tray.
Shorted The Paper End indicator does not light when
there is no paper in the upper paper tray.
103-5 Open The Paper End indicator lights when paper is
placed in the lower paper tray.
Shorted The Paper End indicator does not light when
there is no paper in the lower paper tray.
119-4 Open The Paper End indicator lights when paper is
placed on the by-pass feed tray.
Shorted The Paper End indicator does not light when
there is no paper on the by-pass feed tray.
6-11
ELECTRICAL COMPONENT DEFECTS
Symptom
(A193)