C0650 Faulty Scanner Home Position Sensor - Konica Minolta Di1611 Service Manual

TROUBLESHOOTING
(8)

C0650 Faulty Scanner Home Position Sensor

<Detection Timing>
Trouble
Code
• The Scanner Home Position Sensor (PC10) does not go from HIGH
to LOW when the Scanner Motor (M5) is energized for a given num-
ber of steps after the sequence to bring the Scanner back to its home
position has been started at the end of a scan motion and during re-
shading.
C0650
• The Scanner Home Position Sensor (PC10) does not go from LOW to
HIGH when the Scanner Motor (M5) is energized for a given number
of steps after a scan motion has been started at the end of a Scanner
Home Position Sensor home check scan motion and during re-shad-
ing.
<Action>
Scanner Motor (M5)
Scanner Home Position Sensor (PC10)
Step Operations
1 Check M5 connectors for proper con-
nection and correct as necessary.
2 Check M5 for correct drive coupling
and correct as necessary.
3 M5 operation check
4 Scanner operation check
5 PC10 sensor check
6 Change PWB-C/C.
Di1611/Di2011 FIELD SERVICE Ver.1.0 Mar. 2004
Description
Relevant Electrical Components
Control Board (PWB-C/C)
Ref.
Page
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☞ 3-3
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☞ 3-1
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3-30
WIRING DIAGRAM
Control signal (Electrical
Components)
–
–
–
–
PWB-C/C
P114C/C-3 (ON)
–
Location
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–
B-11
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B-13
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