EPSON EPL-N3000/AcuLaser M4000N
Revision C
Troubleshooting
Troubleshooting When There is Error Display
89
Confidential
3.2.23 No Recognition of Option 550 Paper Feeder
C H E C K
P O I N T
Here, both Tray 3 and Tray 4 are described on the assumption that
they are mounted with the Option 550 Paper Feeders.
Table 3-26. Troubleshooting for
“No Recognition of Option 550 Feeder”
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 FDR2
• HARNESS ASSY FDR5
• LVPS
(p.287)
1
Continuity in HARNESS ASSY FDR2 of Feeder
corresponding to Tray 3
1.
Remove the Option 550 Paper Feeder.
(p.303)
2. Disconnect P/J2083 from the PWBA
FEEDER550.
(Refer to
“Connectors
(p.406)”
)
3. Check continuity between J2083
↔
J83.
J2083-1
↔
J83-10
J2083-2
↔
J83-9
J2083-3
↔
J83-8
J2083-4
↔
J83-7
J2083-5
↔
J83-6
♦
Does each wiring between J2083
↔
J83 have
continuity?
Go to PWBA
FEEDER550
(
p. 130
/
p. 130
)
(If Tray 4 is not
recognized, go
to Step 2)
Replace the
HARNESS
ASSY FDR2
2
Continuity in HARNESS ASSY FDR5 of Feeder
corresponding to Tray 3
1.
Remove the Option 550 Paper Feeder.
(p.303)
2. Disconnect P/J84 from the PWBA FEEDER550.
3. Check continuity between J84
↔
J8483.
J84-1
↔
J8483-10
J84-2
↔
J8483-9
J84-3
↔
J8483-8
J84-4
↔
J8483-7
J84-5
↔
J8483-6
♦
Does each wiring between J84
↔
J8483 have
continuity?
Go to Step 3
Replace the
HARNESS
ASSY FDR5
3
Continuity in HARNESS ASSY FDR2 of Feeder
corresponding to Tray 4
1.
Remove the Option 550 Paper Feeder.
(p.303)
2. Disconnect P/J8483 from the PWBA
FEEDER550.
3. Check continuity between J8483
↔
J83.
J8483-1
↔
J83-10
J8483-2
↔
J83-9
J8483-3
↔
J83-8
J8483-4
↔
J83-7
J8483-5
↔
J83-6
♦
Does each wiring between J8483
↔
J83 have
continuity?
Go to PWBA
FEEDER550
(
p. 130
/
p. 130
)
Replace the
HARNESS
ASSY FDR2
Table 3-26. Troubleshooting for
“No Recognition of Option 550 Feeder” (continued)
Step
Action and Question
Yes
No
Содержание AcuLaser M4000N
Страница 1: ...EPSON EPL N3000 AcuLaserM4000N A4 Monochrome Laser Printer SERVICE MANUAL SEPG03004 Confidential ...
Страница 19: ...Confidential C H A P T E R 1 PRODUCTDESCRIPTION ...
Страница 33: ...Confidential C H A P T E R 2 OPERATINGPRINCIPLES ...
Страница 63: ...Confidential C H A P T E R 3 TROUBLESHOOTING ...
Страница 160: ...Confidential C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Страница 396: ...Confidential C H A P T E R 5 ADJUSTMENT ...
Страница 404: ...Confidential C H A P T E R 6 MAINTENANCE ...
Страница 408: ...Confidential C H A P T E R 7 APPENDIX ...