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ELECTRICAL COMPONENT DEFECTS
Component
(Symbol)
3rd Paper Near End
(4 Tray version
only)
(S-38)
3rd Paper End
(S-39)
3rd Paper Feed
(S-40)
2nd Paper Feed
(S-41)
Base Plate Down
(Tandem version
only) (S-42)
Side Fence
Positioning
(Tandem version
only) (S-43)
Rear Fence Return
(Tandem version
only) (S-44)
Rear Fence HP
(Tandem version
only) (S-45)
Left Tandem Paper
End (Tandem
version only) (S-46)
LCT Near End
(1,500 Tray version
only) (S-47)
Tray Down
(1,500 Tray version
only) (S-48)
Tray Paper End
(1,500 Tray version
only) (S-49)
CN
Condition
Open
412-A8
Shorted
Open
403-A5
Shorted
Open
402-A8
Shorted
Open
402-B1
Shorted
Open
404-A10
Shorted
Open
404-A13
Shorted
Open
404-B10
Shorted
Open
404-B6
Shorted
Open
404-B12
Shorted
Open
412-A7
Shorted
Open
403-B2
Shorted
Open
412-A11
Shorted
(when the main switch turns on)
"Paper near end" indicator is not displayed
even if the tray is almost empty.
"Paper near end" indicator is displayed even
if there is enough paper on the paper tray.
"Paper end" indicator is not displayed even if
there is no paper on the paper tray.
"Paper end" indicator is displayed even if
paper is set.
Whenever paper is fed, it is folded.
"Paper jam A" indicator is displayed even if
there is no paper.
Whenever paper is fed, it is folded.
"Paper jam A" indicator is displayed even if
there is no paper.
The bottom plate lift lever locks at the lowest
position.
The bottom plate is not lowered when paper
on the left tray shifts to the right tray and
paper is set in the improper position.
SC510 is displayed
SC511 is displayed
When the rear fence reaches the return
position, the rear plate locks there then
SC508 is displayed.
SC508 is displayed.
SC508 is displayed.
When the rear fence reaches the return
position, SC508 is displayed.
The rear fence moves back and forth
continuously.
The paper on the left tray is not moved to the
right tray.
"Paper near end" indicator is not displayed
even if the tray is almost empty.
"Paper near end" indicator is displayed even
if there is enough paper on the paper tray.
When the bottom plate is lowered, it locks at
the lowest position.
"Paper end" indicator is displayed even if
there is paper on the tray.
The bottom plate raises & lowers even if no
paper is set.
The bottom plate does not raise even if
paper is set on the tray.
6-28
15 July 1996
Symptom
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