service code list-warning- C350
February 25, 2010
Code Item Description
S-1 CCD clamp gain adjustment failure
• It is detected that the CCD clamp gain adjustment
value is faulty.
P-5 AIDC Sensor (Front) failure • The output from the photoreceiver of the AIDC Sensor
that takes a reading of a point of a bare surface on the
Transfer Belt is 4.3 V or more during an adjustment of
the AIDC Sensor.
• The output from the photoreceiver of the AIDC Sensor
that takes a reading of a point in a toner pattern on the
Transfer Belt is 1.0 V or less after the adjustment has
been completed.
P-28 AIDC Sensor (Back) failure
P-6 Cyan Imaging Unit failure
• All density readings taken from the density pattern produced
on the Transfer Belt are 0.5 g/m
2 (AIDC Sensor
photoreceiver output) or less during max. density
adjustment (Vg/Vb adjustment).
P-7 Magenta Imaging Unit failure
P-8 Yellow Imaging Unit failure
P-9 Black Imaging Unit failure
P-21 Color Shift Test Pattern failure
• The number of points detected in the CD direction is
more or less than the specified value during CD registration
correction.
• The number of points detected in the FD direction is
more or less than the specified value during FD registration
correction.
P-22 Color Shift Test Pattern failure
• The color shift amount is greater than the specified
range during CD registration correction.
• The color shift amount is greater than the specified
range during FD registration correction.
• The skew correction amount is greater than the specified
value.
P-26 ATVC (Bk) failure
• An abnormal average value is detected during an
adjustment of the first image transfer ATVC value of
Black.
P-27 ATVC (2nd) failure
• An abnormal average value is detected during an
adjustment of the second image transfer ATVC value.
P-29 ATVC (color) failure
• An abnormal average value is detected during an
adjustment of the first image transfer ATVC value of
color.
P-30
Color PC Drum Main Sensor malfunction
• The output from the Color PC Drum Main and Sub Sensors
remains unchanged for a continuous period of
1,000 ms while the Color PC Drum Motor is turning stably
and the Lock signal is active (LOW-0).
P-31
Bk PC Drum Main Sensor malfunction
• The output from the Color PC Drum Main and Sub Sensors
remains unchanged for a continuous period of
1,000 ms while the Bk PC Motor is turning stably and
the Lock signal is active (LOW-
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