EPSON EPL-N3000/AcuLaser M4000N
Revision C
Troubleshooting
Troubleshooting for Individual Units
121
Confidential
3.4.9 INTERLOCK S/W REAR
3.4.10 SWITCH I/L ASSY
(INTERLOCK S/W FRONT R)
Table 3-68. Troubleshooting for INTERLOCK S/W REAR
Step
Action and Question
Yes
No
Parts below can be the source of this error (
Chapter 4 Disassembly and Assembly
)
•
INTERLOCK S/W REAR
(p.291)
•
LVPS
(p.287)
•
HVPS/MCU
(p.301)
1
INTERLOCK S/W REAR
1. Disconnect P/J44 on the LVPS.
2. While pressing and releasing the lever of the
INTERLOCK S/W REAR, check continuity
between P/J44-1
↔
P/J44-3.
(Refer to
“Connectors
(p.406)”
)
♦
Is there continuity between P/J44-1
↔
P/J44-3 when
the INTERLOCK S/W REAR is pressed and
discontinuity when it is released?
Go to
3.4.1
LVPS
(p.111)
Replace the
INTERLOCK
S/W REAR
Table 3-69. Troubleshooting for SWITCH I/L ASSY
Step
Action and Question
Yes
No
Parts below can be the source of this error (
Chapter 4 Disassembly and Assembly
)
•
SWITCH I/L ASSY
(p.173)
•
LVPS
(p.287)
•
HVPS/MCU
(p.301)
1
SWITCH I/L ASSY
1. Disconnect the P/J411.
2. While pushing and releasing the SWITCH I/L
ASSY, check continuity between P/J411-1
↔
P/
J411-2.
♦
Is there continuity between P/J411-1
↔
P/J411-2
when the SWITCH I/L ASSY is pressed and
discontinuity when it is released?
Go to Step 2
Replace the
SWITCH I/L
ASSY
2
HARNESS ASSY LVPS
1. Disconnect the P/J11, P/J41 and P/J411.
2. Check continuity of the following wiring:
P411-2
↔
J41-5
P411-1
↔
J11-12
♦
Does each wiring have continuity?
Go to
3.4.1
LVPS
(p.111)
Replace the
HARNESS
ASSY LVPS
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 ...