EPSON AcuLaser C4000/C4100/C3000
Revision F
Troubleshooting
Level 2 FIP
3-136
8
PWBA MCU & HVPS (PL15.1.2) power supply circuit continuity
1. Disconnect P/J11 from the PWBA MCU & HVPS.
2. Check the continuity for the following circuits.
P32-3 <=> P11-17
Is there continuity between P32-3 <=> P11-17?
Go to step 9.
Replace the PWBA MCU &
HVPS. (Refer to Ch4-4.2.18.1)
9
Harness Assy DRV1 (PL15.2.2) continuity
1. Disconnect the P/J41 connector from the PWB Drive (PL15.1.15).
2. Check the continuity for the following lines.
J41-24 <=> J11-18
Is there continuity in all lines between J41 <=> J11?
Go to step 10.
Replace the Harness Assy DRV
1 (PL15.2.2).
10
PWB Drive (PL15.1.15) continuity
1. Disconnect the P/J41 connector from the PWB Drive (PL15.1.15).
2. Check the continuity for the following lines.
P41-24 <=> P61-8
Is there continuity in all circuits between P41 <=> P61?
Go to step 11.
Replace the PWD Drive.
(Refer to Ch4-4.2.18.5)
11
Harness Assy LVCN (PL15.2.1) continuity
1. Disconnect the P/J165 connector from the LVPS (PL15.1.10).
2. Check the continuity for the following circuit.
J165-1 <=> J61-8
Is there continuity in all lines between J165 <=> J61?
Go to FIP-DC (Page 5-280).
Replace the Harness Assy
LVNC (PL15.2.1).
Step
Check
Treatment
Yes
No
Summary of Contents for AcuLaser C3000 Series
Page 20: ...C H A P T E R 1 PRODUCTDESCRIPTIONS ...
Page 71: ...C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 118: ...C H A P T E R 3 TROUBLESHOOTING ...
Page 318: ...C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 472: ...C H A P T E R 5 ADJUSTMENT ...
Page 477: ...C H A P T E R 6 MAINTENANCE ...
Page 491: ...C H A P T E R 7 AcuLaserC4100 ...
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Page 555: ...C H A P T E R 8 AcuLaserC3000 ...
Page 579: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 1 of 5 Rev B ...
Page 580: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 2 of 5 Rev B ...
Page 581: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 3 of 5 Rev B ...
Page 582: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 4 of 5 Rev B ...
Page 583: ...Model AcuLaser C3000 Board C569MAIN BOARD Sheet 5 of 5 Rev B ...
Page 584: ...C H A P T E R 9 APPENDIX ...
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