C0F30: Abnormally Low Toner Density Detected Cyan Atdc Sensor; C0F32: Abnormally Low Toner Density Detected Magenta Atdc Sensor; C0F34: Abnormally Low Toner Density Detected Yellow Atdc Sensor - Konica Minolta Bizhub C350 Service Manual

Malfunction code
2.6.38

C0F30: Abnormally low toner density detected Cyan ATDC Sensor

2.6.39

C0F32: Abnormally low toner density detected Magenta ATDC Sensor

2.6.40

C0F34: Abnormally low toner density detected Yellow ATDC Sensor

ATDC Sensor/C (PWB-N3)
ATDC Sensor/M (PWB-N2)
ATDC Sensor/Y (PWB-N1)
Toner Supply Motor C/Bk (M3)
Toner Supply Motor Y/M (M4)
Step
Perform image troubleshooting procedure if
1
image density is low.
Clean the ATDC Sensor window on the
2
underside of the Imaging Unit if dirty
Correct the ATDC Sensor spring moving part
3
if faulty.
4 Clean the ATDC Sensor LED if dirty
5 Change ATDC Sensor C/M/Y.
M3, M4 operation check
6
7 Change Imaging Unit.
8 Change PWB-MC
9 Change PWB-MFP.
bizhub C350 Field Service Ver. 2.0 April 2004
Relevant Electrical Parts
Control Board (PWB-MC)
MFP Control Board (PWB-MFP)
Imaging Unit /C
Imaging Unit /M
Imaging Unit /Y
Action
4-38
WIRING DIAGRAM
Control Signal
—
—
—
—
—
M3: PWB-MC PJ16MC-4A~7A
(Pulse Output)
M4: PWB-MC PJ16MC-
10A~13A (Pulse Output)
—
—
—
Location
(Electrical
Component)
—
—
—
—
—
M3: 19-I
M4: 19-J
—
—
—