Gestetner A193 Service Manual page 273

ELECTRICAL COMPONENT DEFECTS
Component
(Symbol)
Registration
(S12)
By-pass Feed
Paper Width
(S13)
Humidity (S14)
Original Width
(S15)
Original Length-1 132-A1~A2
(S16)
Original Length-2 132-A8~A9
(S17)
Platen Cover
(S18)
Scanner H.P
(S19)
Toner Density
(S20)
NOTE: An SC condition occurs only when a new PCU is being installed in
the machine. During copying, if the TD sensor fails, the image
density will be changed.
APS: Automatic paper size
ARE: Automatic Reduction Enlargement
(A193)
CN Condition
119-6 Open
(IOCSS)
Shorted
122-1~4 Open
(IOCSS)
Shorted
109-3 Open
(IOCSS)
Shorted
131-2~3 Open
(IOCSS)
Shorted
Open
(IOCSS)
Shorted
Open
(IOCSS)
Shorted
132-B7 Open
(IOCSS)
Shorted
132-B9 Open
(IOCSS)
Shorted
125-3 Open
(IOCSS)
Shorted
Symptom
The Paper Jam indicator will light whenever
a copy is made.
The Paper Jam indicator lights when there is
no paper.
The CPU cannot detect the proper paper
width.
A lighter image copy will be made.
A darker image copy will be made.
The CPU cannot detect the original size
properly. APS and ARE can not function
correctly.
The CPU cannot detect the original size
properly. APS and ARE can not function
correctly.
The CPU cannot detect the original size
properly. APS and ARE can not function
correctly.
APS and ARE can not function correctly.
No symptom
SC120 is displayed.
The CPU does not detect the scanner home
position and the scanner motor will not stop.
SC393 is displayed. (See the note.)
SC390 is displayed. (See the note.)
6-12 SM