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