Motor Assy Offset; Solenoid Assy Gate - Epson EPL-N3000 Service Manual

EPSON EPL-N3000/AcuLaser M4000N

3.4.34 MOTOR ASSY OFFSET

Table 3-93. Troubleshooting for MOTOR ASSY OFFSET
Step Action and Question
Parts below can be the source of this error

• MOTOR ASSY OFFSET

(p.370)
• MOTOR ASSY OCT
(p.378)
• PWBA OCT
(p.368)
• HARNESS ASSY OCT2
• HVPS/MCU
(p.301)
• HARNESS ASSY OCT1
MOTOR ASSY OFFSET
1
1. Replace the MOTOR ASSY OFFSET. (p.370)
♦
Is the trouble solved?
Continuity of HARNESS ASSY OCT2
1. Disconnect P/J 70 on the PWBA OCT
2
2. Disconnect the HARNESS ASSY OCT2.
♦ Is there normal continuity between J70 ↔ J3070?
Continuity of HARNESS ASSY OCT1
3
1. Disconnect the HARNESS ASSY OCT1.
Is there normal continuity between J30 ↔ J3070?
♦
PWBA OCT
4
1. Replace the PWBA OCT. (p.368)
♦
Is the trouble solved?
Troubleshooting
Yes No
(Chapter 4 Disassembly and
Assembly)
Problem
Go to Step 2
solved
Replace the
Go to Step 3 HARNESS
ASSY OCT2
Replace the
Go to Step 4 HARNESS
ASSY OCT1
Problem Replace the
solved HVPS/MCU
Troubleshooting for Individual Units

3.4.35 SOLENOID ASSY GATE

Table 3-94. Troubleshooting for SOLENOID ASSY GATE
Step Action and Question
Parts below can be the source of this error

• SOLENOID ASSY GATE

(p.371)
• PWBA OCT
(p.368)
• HARNESS ASSY OCT2
• HVPS/MCU
(p.301)
• HARNESS ASSY OCT1
SOLENOID ASSY GATE
1
1. Replace the SOLENOID ASSY GATE. (p.371)
♦
Is the trouble solved?
Continuity of HARNESS ASSY OCT2
1. Disconnect P/J 70 on the PWBA OCT
2
2. Disconnect the HARNESS ASSY OCT2.
Is there normal continuity between J70 ↔ J3070?
♦
Continuity of HARNESS ASSY OCT1
3
1. Disconnect the HARNESS ASSY OCT1.
♦ Is there normal continuity between J30 ↔ J3070?
PWBA OCT
4
1. Replace the PWBA OCT. (p.368)
♦
Is the trouble solved?
Revision C
Yes No
(Chapter 4 Disassembly and
Assembly)
Problem
Go to Step 2
solved
Replace the
Go to Step 3 HARNESS
ASSY OCT2
Replace the
Go to Step 4 HARNESS
ASSY OCT1
Problem Replace the
solved HVPS/MCU
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