Ricoh FT6645 Manual page 377

23 April 1993
Component
(Symbol)
Duplex Entrance
Sensor
(S-12)
Duplex Paper
End
(S-13)
Duplex Transport
(S-14)
Exit
(S-15)
Fusing Exit
(S-16)
Paper Guide
(S-17)
Auto Image
Density
(S-18)
Original Length-1 508-8, 9,
(S-19)
Original Length-2
509-3, 4, 5
(S-20)
Original Width
508-3, 4, 5
(S-21)
By-Pass Paper
Size
(S-22)
Toner Density
(S-23)
CN Condition
Open
112-A7
Shorted
Open
112-A9
Shorted
Open
109-A4
Shorted
Open
109-A2
Shorted
Open
109-B7
Shorted
Open
109-B4
Shorted
Open
507-1
Shorted
Open
10
Shorted
Open
Shorted
Open
Shorted
Open
114-6
Shorted
Open
114-3
Shorted
ELECTRICAL COMPONENT DEFECTS
Symptom (when the main switch turns on)
"Paper Jam T" indicator is displayed even if
there is no paper.
Whenever a duplex copy is made, "Paper Jam
T" occurs.
"Copies left in the duplex tray...." indicator is
displayed even if there is paper in the duplex
tray.
Only one rear side copy is made regardless of
the quantity of copies.
"Paper Jam T" indicator is displayed even if
there is no paper.
Whenever a duplex copy is made, "Paper Jam
T" occurs.
"Paper Jam E" indicator is displayed even if
there is no paper.
Whenever the copy is fed out, "Paper Jam D"
occurs.
"Paper Jam D" indicator is displayed even if
there is no paper.
Whenever a copy is made, "Paper Jam C and
D" occurs.
Whenever a duplex copy is made, "Paper Jam
T" occurs.
Image density will be abnormal.
The CPU cannot properly detect original size.
APS and AMS do not function correctly.
The CPU cannot properly detect original size.
APS and AMS do not function correctly.
The CPU cannot properly detect original size.
APS and AMS do not function correctly.
The CPU recognizes that the paper width is
319 mm regardless of the side fence position.
The CPU recognizes that the paper width is
100 mm regardless of the side fence position.
Machine quits auto toner supply mode and
enters fixed supply mode.
6-25
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