C0F33 Improperly Adjusted Atdc Sensor - Konica Minolta Di1611 Service Manual

Di1611/Di2011 FIELD SERVICE Ver.1.0 Mar. 2004
(9) C0F32 Faulty ATDC Sensor

C0F33 Improperly Adjusted ATDC Sensor

<Detection Timing>
Trouble
Code
• The measurement taken by the ATDC Sensor (UN1) at a time 2.0 sec.
after the Main Motor (M1) has started turning is less than 5% (greater
than 4.63 V).
C0F32
• The measurement taken by the ATDC Sensor (UN1) at a time 2.0 sec.
after the Main Motor (M1) has started turning is 19% or more (1.41 V
or less).
• The adjustment of the ATDC control voltage is not completed within 1
sec. after sampling has started of the ATDC Sensor (UN1) as part of
C0F33 an operation of ATDC Sensor Automatic Adjustment.
• The ATDC Sensor control voltage falls outside the range of 5.39 V to
8.15 V during an operation of ATDC Sensor Automatic Adjustment.
<Action>
ATDC Sensor (UN1)
Step Operations
1 Check to see if developer is avail-
able.
2 Check the ATDC Sensor connectors
for proper connection and correct as
necessary.
3 Change UN1.
4 Run "ATDC Auto Adjust."
5 Change PWB-A.
6 Change PU1.
Description
Relevant Electrical Components
Master Board (PWB-A)
Power Supply Unit (PU1)
Ref.
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3-31
TROUBLESHOOTING
WIRING DIAGRAM
Location
Control signal (Electrical
Components)
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