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Chapter 2 Troubleshooting
FIP-1.77 077-300: IOT Cover Front Open
Step
Check
Remedy
Yes
No
Possible causative parts:
COVER ASSY FRONT (PL1.2.1)
PWBA LVPS (PL8.2.12)
HARN ASSY INTERLOCK AIO (PL8.1.1)
PWBA MCU (PL8.3.6)
HARNESS ASSY LVPS MAIN MG AIO (PL9.1.3)
1
Checking the COVER ASSY FRONT (Front Cover) for
shape.
Are there any damages on the COVER ASSY FRONT?
Replace the
COVER ASSY
FRONT. (Refer to
REP1.10.)
Go to step 2.
2
Checking the COVER ASSY FRONT for latching.
Open and close the COVER ASSY FRONT.
Is the COVER ASSY FRONT latched correctly?
Go to step 3.
Reseat or replace
the COVER ASSY
FRONT. (Refer to
REP1.10.)
3
Checking the interlock switch for operation.
Does the number on the screen increase by one, when the
COVER ASSY FRONT is closed and opened?
Checked by [Digital Input] - [Cover Open Sensor] in [IOT
Diag] of diagnosis.
Replace the KIT
PWBA MCU.
(Refer to
REP8.10.)
Go to step 4.
4
Checking the connectors for connection.
Check the connections between PWBA MCU and PWBA
LVPS.
Are P/J14 and P/J501 connected correctly?
Go to step 6.
Reconnect the
connector(s) P/
J14 and/or P/J501
correctly, then go
to step 5.
5
Does the error still occur when the power is turned OFF and
ON?
Go to step 6.
End of work.
6
Checking the HARNESS ASSY LVPS MAIN MG AIO for
continuity.
Disconnect J14 from the PWBA MCU.
Disconnect J501 from the PWBA LVPS.
Is each cable of J14 <=> J501 continuous?
Go to step 7.
Replace the
HARNESS ASSY
LVPS MAIN MG
AIO.
Summary of Contents for DocuPrint CM305 df
Page 1: ...DocuPrint CM305 df Service Manual 1st Edition ...
Page 2: ......
Page 4: ...Company Name Department Name Telephone No Full Name Employee No ...
Page 6: ......
Page 7: ...Preface ...
Page 8: ......
Page 10: ......
Page 15: ...Chapter 1 Service Call Procedure ...
Page 16: ......
Page 18: ......
Page 28: ...1 10 Chapter 1 Service Call Procedure Blank Page ...
Page 29: ...Chapter 2 Troubleshooting ...
Page 30: ......
Page 218: ...2 184 Chapter 2 Troubleshooting Blank Page ...
Page 219: ...Chapter 3 Image Quality Troubleshooting ...
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Page 222: ......
Page 271: ...Chapter 4 Disassembly Assembly and Adjustments ...
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Page 491: ...4 215 Chapter 4 Disassembly Assembly and Adjustments 4 Remove the MEMORY CARD ...
Page 507: ...4 231 Chapter 4 Disassembly Assembly and Adjustments Blank Page ...
Page 511: ...4 235 Chapter 4 Disassembly Assembly and Adjustments 10 Remove the PWBA LVPS from the printer ...
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Page 593: ...Chapter 5 Parts List ...
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Page 642: ...5 46 Chapter 5 Parts List Blank Page ...
Page 643: ...Chapter 6 General ...
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Page 660: ...6 14 Chapter 6 General Chart Parallelism Perpendicularity ...
Page 661: ...6 15 Chapter 6 General Skew Linearity Magnification Error Registration ...
Page 774: ...6 128 Chapter 6 General Blank Page ...
Page 775: ...Chapter 7 Wiring Data ...
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Page 786: ...7 8 Chapter 7 Wiring Data 7 1 2 2 OPTION Duplex ...
Page 788: ...7 10 Chapter 7 Wiring Data 7 2 Wire Nerwork Undescribed ...
Page 789: ...7 11 Chapter 7 Wiring Data 7 3 BSD Undescribed ...
Page 822: ...7 44 Chapter 7 Wiring Data Blank Page ...
Page 823: ...Chapter 9 Installation and Removal ...
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Page 836: ...9 10 Chapter 9 Installation and Removal 9 2 Removal Undescribed ...
Page 837: ...Chapter 10 Machine Overview ...
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Page 852: ...10 12 Chapter 10 Machine Overview Blank Page ...