No Recognition Of Option 550 Paper Feeder - Epson EPL-N3000 Service Manual

EPSON EPL-N3000/AcuLaser M4000N

3.2.23 No Recognition of Option 550 Paper Feeder

Here, both Tray 3 and Tray 4 are described on the assumption that
C H E C K
they are mounted with the Option 550 Paper Feeders.
P O I N T
Table 3-26. Troubleshooting for
"No Recognition of Option 550 Feeder"
Step Action and Question
Parts below can be the source of this error
• PWBA FEEDER 550
(p.310)
• HVPS/MCU
(p.301)
• HARNESS ASSY FDR2
• HARNESS ASSY FDR5
• LVPS
(p.287)
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.
1
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?
Troubleshooting
Yes No
(Chapter 4 Disassembly and
Assembly)
Go to PWBA
FEEDER550
Replace the
(p. 130/p. 130)
HARNESS
(If Tray 4 is not
ASSY FDR2
recognized, go
to Step 2)
Troubleshooting When There is Error Display
Table 3-26. Troubleshooting for
"No Recognition of Option 550 Feeder" (continued)
Step Action and Question
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.
2 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?
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.
3
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?
Revision C
Yes No
Replace the
Go to Step 3 HARNESS
ASSY FDR5
Go to PWBA Replace the
FEEDER550 HARNESS
(p. 130/p. 130) ASSY FDR2
89
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