Ricoh AFICIO A267 Service Manual page 314

20 September 1999
7.5.2 SWITCHES
Component
(Symbol)
Main
Right Upper
Cover
Right Cover
Right Lower
Cover
Upper Paper 308-1,2,4,5
Size
Lower Paper
Size
Special Paper
New PCU
Detect
Front Cover
Safety
Operation
CN Condition
Open
281-1,2
(PSU)
Shorted
Open
324-8
(IOB)
Shorted
Open
308-9
(IOB)
Shorted
Open
307-A8
(IOB)
Shorted
Open
(IOB)
Shorted
308- Open
6,7,9,10
Shorted
(IOB)
Open
308-12
(IOB)
Shorted
Open
302-6
(IOB)
Shorted
Open
311-2, 4
(IOB)
Shorted
Open
103-5
(BICU)
Shorted
7-21
ELECTRICAL COMPONENT DEFECTS
Symptom
The machine does not turn on.
The machine does not turn off.
The Cover Open indicator is not lit even if
the right upper cover is opened.
The Cover Open indicator is lit even if the
right upper cover is closed.
The Cover Open indicator is not lit even if
the right cover is opened.
The Cover Open indicator is lit even if the
right cover is closed.
The Cover Open indicator is not lit even if
the right lower cover is opened.
The Cover Open indicator is lit even if the
right lower cover is closed.
The CPU cannot detect the proper paper
size, and misfeeds may occur when a
copy is made.
The CPU cannot detect the proper paper
size, and misfeeds may occur when a
copy is made.
No symptom. However, the image
density problem will occur when using a
thick paper.
The TD sensor initial setting procedure is
not performed when a new PCU is
installed.
The TD sensor initial setting procedure is
performed whenever the front cover is
closed.
The Cover Open indicator is not lit even if
the front cover is opened.
The Cover Open indicator is lit even if the
front cover is closed.
The LCD does not off even if the
operation switch is turned off.
The LCD does not on even if the
operation switch is turned on.