Ricoh FT6645 Manual page 378

ELECTRICAL COMPONENT DEFECTS
Component
(Symbol)
Registration
(S-24)
Toner End
(S-25)
Auto-
Response
(S-26)
Drum Potential
(S-27)
Image Density
(S-28)
1st Paper End
(S-29)
1st Paper Near
End
(S-30)
1st Paper Feed
(S-31)
2nd Paper Near
End
(S-32)
1st Lift
(S-33)
2nd Paper End
(S-34)
Toner Collection
Motor
(S-35)
CN Condition
Open
108-A7
Shorted
Open
108-B14
Shorted
Open
113-B3
Shorted
Open
110-10
Shorted
Open
111-3
Shorted
Open
401-A5
Shorted
Open
412-A2
Shorted
Open
402-A1
Shorted
Open
412-A5
Shorted
Open
401-A2
Shorted
Open
401-B5
Shorted
Open
412-B5
Shorted
Symptom (when the main switch turns on)
"Paper Jam C" indicator is displayed even if
there is no paper.
Whenever a copy is made, "Paper Jam C"
occurs.
Toner is added even if there is too much toner
in the toner hopper.
Toner is not supplied even if there is no toner in
the toner hopper.
The machine does not exit "Screen Saver"
mode even if an operator approaches the
machine.
"Screen Saver" mode does not work.
Machine quits auto process control and enters
fixed toner supply mode.
Machine quits auto toner supply mode and
enters detect mode.
"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.
"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.
Whenever paper is fed, it is folded.
"Paper jam A" indicator is displayed even if
there is no paper.
"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.
"Add paper" indicator is displayed even if there
is paper on the tray.
The tray bottom plate locks at the upper
position.
"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.
SC342 is displayed.
6-26
23 April 1993