2 - 111
Chapter 2 Troubleshooting
21
Checking the power to the MOTOR.
Disconnect J422 from the PWB ASSY FEED MG AIO.
Are the voltages across J422-6pin <=> ground on the PWB
ASSY FEED MG AIO, about +24 VDC when the interlock
switch (HARN ASSY INTERLOCK AIO) is pushed?
Replace the
MOTOR ASSY
SUB.
Replace the PWB
ASSY FEED MG
AIO.
22
Checking the connectors of the SOLENOID FEED for
connection.
Check the connections between the PWB ASSY FEED MG
AIO and SOLENOID FEED.
Are P/J421 and P/J4211 connected correctly?
Go to step 23.
Reconnect the
connector(s) P/
J421 and/or P/
J4211 correctly.
23
Checking the HARN TRAY COMP for continuity.
Disconnect J421 from the PWB ASSY FEED MG AIO.
Disconnect P4211 from the SOLENOID FEED.
Is each cable of J421 <=> P4211 continuous?
Go to step 24.
Replace the
HARNESS ASSY
TRAY COMP.
24
Checking the power to the SOLENOID FEED MSI.
Disconnect J421 from the PWB ASSY FEED MG AIO.
Is the voltage across P421-1pin <=> ground on the PWB
ASSY FEED MG AIO, about +24 VDC when the Interlock
Switch (HARN ASSY INTERLOCK AIO) is pushed?
Go to step 25.
Replace the PWB
ASSY FEED MG
AIO.
25
Checking the SOLENOID FEED MSI for resistance.
Disconnect P/J4211 of the SOLENOID FEED MSI.
Is the resistance across J4211-1 and J4211-2 approximately
96 ohm?
Replace the PWB
ASSY FEED MG
AIO.
Replace the
SOLENOID FEED
MSI.
26
Checking the connectors of the Feed Clutch (CLUTCH
ASSY DRV) for connection.
Check the connections between the PWB ASSY FEED MG
AIO and Feed Clutch.
Are P/J420 and P/J4201 connected correctly?
Go to step 27.
Reconnect the
connector(s) P/
J420 and/or P/
J4201 correctly.
27
Checking the HARN TRAY COMP for continuity.
Disconnect J420 from the PWB ASSY FEED MG AIO.
Disconnect P4201 from the Feed Clutch.
Is each cable of J420 <=> P4201 continuous?
Go to step 28.
Replace the
HARNESS ASSY
TRAY COMP.
28
Checking the power to the Feed Clutch.
Disconnect J420 from the PWB ASSY FEED MG AIO.
Is the voltage across P420-1pin <=> ground on the PWB
ASSY FEED MG AIO, about +24 VDC when the Interlock
Switch (HARN ASSY INTERLOCK AIO) is pushed?
Go to step 29.
Replace the PWB
ASSY FEED MG
AIO.
29
Checking the Feed Clutch for resistance.
Disconnect P/J4201 of the Feed Clutch.
Is the resistance across J4201-1 and J4201-2
approximately 280-ohm?
Replace the PWB
ASSY FEED MG
AIO.
Replace the
CLUTCH ASSY
DRV
Step
Check
Remedy
Yes
No
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 ...
Page 220: ......
Page 222: ......
Page 271: ...Chapter 4 Disassembly Assembly and Adjustments ...
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Page 281: ...4 5 Chapter 4 Disassembly Assembly and Adjustments Blank Page ...
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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 ...
Page 594: ......
Page 642: ...5 46 Chapter 5 Parts List Blank Page ...
Page 643: ...Chapter 6 General ...
Page 644: ......
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 778: ......
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 ...