Interlock S/W Rear; Switch I/L Assy (Interlock S/W Front R) - Epson EPL-N3000 Service Manual

EPSON EPL-N3000/AcuLaser M4000N

3.4.9 INTERLOCK S/W REAR

Table 3-68. Troubleshooting for INTERLOCK S/W REAR
Step Action and Question
Parts below can be the source of this error

• INTERLOCK S/W REAR

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