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
Summary of Contents for AcuLaser M4000N
Page 19: ...Confidential C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 33: ...Confidential C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 63: ...Confidential C H A P T E R 3 TROUBLESHOOTING ...
Page 160: ...Confidential C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 396: ...Confidential C H A P T E R 5 ADJUSTMENT ...
Page 404: ...Confidential C H A P T E R 6 MAINTENANCE ...