Epson EPL-N3000 - Pwba Feeder550; Pwba Feeder

EPSON EPL-N3000/AcuLaser M4000N Revision C
Troubleshooting Troubleshooting for Individual Units 130
Confidential
3.4.21 PWBA FEEDER 550 3.4.22 PWBA FEEDER 550
C H E C K
P O I N T
The description given here assumes that Tray 3 is the Option 550
Feeder. If the Option 550 Feeder is installed as Tray 4, see
3.4.22 PWBA FEEDER 550 (p.130) for conditions for use of the
circuit.
Table 3-80. Troubleshooting for PWBA FEEDER 550
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• PWBA FEEDER 550 (p.310)
• HVPS/MCU (p.301)
• HARNESS ASSY FDR1
• HARNESS ASSY FDR2
1
HARNESS ASSY FDR2
1. Remove the HARNESS ASSY FDR2.
2. Check whether there is continuity between J2083 ↔
J83.
(Refer to “Connectors (p.406)”)
♦Is there continuity between J2083 ↔ J83?
Go to Step 2
Replace the
HARNESS
ASSY FDR2
2
HARNESS ASSY FDR1
1. Remove the HARNESS ASSY FDR1.
♦Is there continuity between J20 ↔ J2083?
Go to Step 3
Replace the
HARNESS
ASSY FDR1
3
PWBA FEEDER550
1. Replace the PWBA FEEDER 550. (p.310)
♦After replacing, has the truble been cleared?
Problem
solved
Replace the
HVPS/MCU
C H E C K
P O I N T
The description given here assumes that Tray 4 is the Option 550
Feeder. If the Option 550 Feeder is installed as Tray 3, see
3.4.21 PWBA FEEDER 550 (p.130) for conditions for use of the
circuit.
Table 3-81. Troubleshooting for PWBA FEEDER 550
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• PWBA FEEDER 550 (p.310)
• HVPS/MCU (p.301)
• HARNESS ASSY FDR5
• HARNESS ASSY FDR2
1
HARNESS ASSY FDR2
1. Remove the HARNESS ASSY FDR2.
2. Check whether there is continuity between J8483 ↔
J83.
(Refer to “Connectors (p.406)”)
♦Is there continuity between J2083 ↔ J83?
Go to Step 2
Replace the
HARNESS
ASSY FDR2
2
HARNESS ASSY FDR5
1. Remove the HARNESS ASSY FDR5.
2. Check whether there is continuity between J8483 ↔
J84.
♦Is there continuity between J8483 ↔ J84?
Go to Step 3
Replace the
HARNESS
ASSY FDR5
3
PWBA FEEDER550
1. Replace the PWBA FEEDER 550. (p.310)
♦After replacing, has the trouble been cleared?
Problem
solved
Replace the
HVPS/MCU