EPSON EPL-N3000/AcuLaser M4000N
Revision C
Troubleshooting
Troubleshooting for Individual Units
140
Confidential
3.4.34 MOTOR ASSY OFFSET
3.4.35 SOLENOID ASSY GATE
Table 3-93. Troubleshooting for MOTOR ASSY OFFSET
Step
Action and Question
Yes
No
Parts below can be the source of this error (
Chapter 4 Disassembly and Assembly
)
• MOTOR ASSY OFFSET
(p.370)
• MOTOR ASSY OCT
(p.378)
• PWBA OCT
(p.368)
• HARNESS ASSY OCT2
• HVPS/MCU
(p.301)
• HARNESS ASSY OCT1
1
MOTOR ASSY OFFSET
1.
Replace the MOTOR ASSY OFFSET.
(p.370)
♦
Is the trouble solved?
Problem
solved
Go to Step 2
2
Continuity of HARNESS ASSY OCT2
1. Disconnect P/J 70 on the PWBA OCT
2. Disconnect the HARNESS ASSY OCT2.
♦
Is there normal continuity between J70
↔
J3070?
Go to Step 3
Replace the
HARNESS
ASSY OCT2
3
Continuity of HARNESS ASSY OCT1
1. Disconnect the HARNESS ASSY OCT1.
♦
Is there normal continuity between J30
↔
J3070?
Go to Step 4
Replace the
HARNESS
ASSY OCT1
4
PWBA OCT
1.
Replace the PWBA OCT.
(p.368)
♦
Is the trouble solved?
Problem
solved
Replace the
HVPS/MCU
Table 3-94. Troubleshooting for SOLENOID ASSY GATE
Step
Action and Question
Yes
No
Parts below can be the source of this error (
Chapter 4 Disassembly and Assembly
)
• SOLENOID ASSY GATE
(p.371)
• PWBA OCT
(p.368)
• HARNESS ASSY OCT2
• HVPS/MCU
(p.301)
• HARNESS ASSY OCT1
1
SOLENOID ASSY GATE
1.
Replace the SOLENOID ASSY GATE.
(p.371)
♦
Is the trouble solved?
Problem
solved
Go to Step 2
2
Continuity of HARNESS ASSY OCT2
1. Disconnect P/J 70 on the PWBA OCT
2. Disconnect the HARNESS ASSY OCT2.
♦
Is there normal continuity between J70
↔
J3070?
Go to Step 3
Replace the
HARNESS
ASSY OCT2
3
Continuity of HARNESS ASSY OCT1
1. Disconnect the HARNESS ASSY OCT1.
♦
Is there normal continuity between J30
↔
J3070?
Go to Step 4
Replace the
HARNESS
ASSY OCT1
4
PWBA OCT
1.
Replace the PWBA OCT.
(p.368)
♦
Is the trouble solved?
Problem
solved
Replace the
HVPS/MCU
Содержание AcuLaser M4000N
Страница 1: ...EPSON EPL N3000 AcuLaserM4000N A4 Monochrome Laser Printer SERVICE MANUAL SEPG03004 Confidential ...
Страница 19: ...Confidential C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 33: ...Confidential C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 63: ...Confidential C H A P T E R 3 TROUBLESHOOTING ...
Страница 160: ...Confidential C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 396: ...Confidential C H A P T E R 5 ADJUSTMENT ...
Страница 404: ...Confidential C H A P T E R 6 MAINTENANCE ...
Страница 408: ...Confidential C H A P T E R 7 APPENDIX ...