Ricoh C249 Service Manual page 102

ELECTRICAL COMPONENT DEFECTS
Component
Master Set Cover Sensor
Master End Sensor
Paper Height Sensor
Registration Sensor
Paper End Sensor
Cutter HP Sensor
Paper Length Sensor
Ink Idling Roller HP Sensor
Printing Pressure HP Sensor
Duct Jam Sensor
Duct plate HP sensor
Master Edge Sensor
C249
Condition
The "D" jam indicator is lit or E-01 is displayed
Open
whenever the cover isn't placed correctly.
Shorted The "the open cover" and "D" indicators are lit.
Master making can start even if there is no
White
master roll, but the "D" jam indicator will be lit.
Black The "load new master roll" indicator is lit.
The "A" jam indicator is lit whenever a copy is
Open
made.
The paper table goes up over the sensor, and
Shorted
E-02 is displayed
Open The "A" jam indicator is lit.
The "A" jam indicator is lit whenever a copy is
Shorted
made.
Printing can begin even if there is no paper,
Open
but the "A" jam indicator will be lit.
Shorted The "load more paper" indicator is lit.
The cutter cuts the master only half way, and
Open
the "D" jam indicator is lit.
Shorted E-01 is displayed.
The press roller becomes dirty whenever the
Open
paper is shorter than the image.
Long images will be cut because the machine
Shorted does not detect the presence of long paper
sizes on the table.
Open E-41 is displayed.
Shorted E-41 is displayed.
Open E-43 is displayed.
Shorted E-43 is displayed.
Open The "D" jam indicator is lit.
There is a master in the lower master tray,
nevertheless the duct jam sensor does not
Shorted
detect a master and master vacuum fans does
not absorb a master and E-01 is displayed.
Open E-42 is displayed.
Shorted E-42 is displayed.
Open The "D" jam indicator is lit.
Shorted The "D" jam indicator is lit.
4-4
Symptom
SM