Minolta 5450 Manuel de service Page 265

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Lower Feeder Unit Field Service Ver. 2.0 April 2005 Jam Display
4-5
IV
Troublshooting
B. Action
Relevant Electrical Parts
Lower Feeder Paper Feed Sensor (PC3 PF)
Synchronizing Roller Sensor (PC4)
Paper Loop Sensor (PC6)
Lower Feeder Right Door Switch (PC5 PF)
Lower Feeder Paper Feed Clutch (CL1 PF)
Synchronizing Roller Clutch (CL2)
Lower Feeder Motor (M1 PF)
Lower Feeder Board (PWB-F PF)
Mechanical Control Board (PWB-A)
Step Action
WIRING DIAGRAM
Control Signal
Location
(Electrical
Component)
1 Initial check items - -
2 PC3 PF sensor check PWB-F PF PJ5F PF-6 (ON)
6-B~C
(Lower Feed
Unit)
3 PC4 sensor check PWB-A PJ15A-3 (ON) 2-H
4 PC6 sensor check PWB-A PJ16A-3 (ON) 2-G
5 PC5 PF sensor check PWB-F PF PJ5F PF-3 (ON)
6-C
(Lower Feed
Unit)
6 CL1 PF operation check
PWB-F PF PJ6F PF-2
(REM)
6-E
(Lower Feed
Unit)
7 CL2 operation check PWB-A PJ16A-5 (ON) 2-G~H
8 M1 PF operation check -
6-E~F
(Lower Feed
Unit)
9 Change PWB-B PF. - -
10 Change PWB-A. - -
5450_E.book_PDF.book 5 ページ 2005年4月12日 火曜日 午後12時54分
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