Epson EPL-N3000 - Opt Assy Size

EPSON EPL-N3000/AcuLaser M4000N Revision C
Troubleshooting Troubleshooting for Individual Units 133
Confidential
3.4.25 OPT ASSY SIZE
Table 3-84. Troubleshooting for OPT ASSY SIZE
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• OPT ASSY SIZE (p.306)
• HARNESS ASSY SIZE FDR1
• HARNESS ASSY SIZE FDR2
• OPTION 550 PAPER FEEDER (p.303)
• 550 Paper Cassette (p.191)
• PWBA FEEDER 550 (p.310)
•HVPS/MCU (p.301)
1
Continuity of the HARNESS ASSY SIZE FDR1
1. Remove the HARNESS ASSY SIZE FDR1.
2. Check all the wires between J801 ↔ J802 for
continuity.
(Refer to “Connectors (p.406)”)
♦Do all the wires between J801 ↔ J802 have
continuity?
Go to Step 2
Replace the
HARNESS
ASSY SIZE
FDR1
2
Continuity of the HARNESS ASSY SIZE FDR2
1. Disconnect the connector P/J80 on the PWBA
FEEDER550.
2. Disconnect the P/J801.
3. Check all the wires between J80 ↔ J801 for
continuity.
♦Do all the wires between J80 ↔ J801 have
continuity?
Go to Step 3
Replace the
HARNESS
ASSY SIZE
FDR2
3
OPT ASSY SIZE
1. Check the harness of the OPT ASSY SIZE for
continuity.
♦Does the harness of the OPT ASSY SIZE have
continuity?
Go to PWBA
FEEDER550
(p. 130/p. 130)
Replace the
OPT ASSY
SIZE