Main Motor - Epson EPL-N3000 Service Manual

EPSON EPL-N3000/AcuLaser M4000N

3.4.2 MAIN MOTOR

Table 3-61. Troubleshooting for MAIN MOTOR
Step Action and Question
Parts below can be the source of this error

• MAIN MOTOR

(p.279)
• HARNESS ASSY LVPS
• LVPS
(p.287)
• HVPS/MCU
(p.301)
MAIN Motor
1. Remove the Imaging Cartridge.
2. Close the COVER OPEN.
1
3. Turn on the main power.
4. Check for operating sound of the MAIN Motor.
♦
Does the MAIN Motor operate?
♦
2
Has the trouble been cleared?
HARNESS ASSY LVPS (1)
1. Remove the SHIELD PLATE LVPS. (p.285)
2. Disconnect P/J41 from the LVPS.
3
(Refer to "Connectors (p.406)")
3. Disconnect P/J11 from the HVPS/MCU.
4. Check continuity between P/J41 ↔ P/J11.
Is there continuity in each wiring between P/J41 ↔ P/J11?
♦
HARNESS ASSY LVPS (2)
1. Remove the SHIELD PLATE LVPS. (p.285)
2. Disconnect P/J42 from the LVPS.
4
(Refer to "Connectors (p.406)")
3. Disconnect P/J10 from the HVPS/MCU.
4. Check continuity between P/J42 ↔ P/J10.
♦ Is there continuity in each wiring between P/J42 ↔ P/J10?
LVPS
5
1. Replace the LVPS. (p.287)
♦
Has the trouble been cleared?
Troubleshooting
Yes No
(Chapter 4 Disassembly and
Assembly)
Go to Step 2 Go to Step 3
Problem
Go to Step 3
solved
Replace the
Go to Step 4 HARNESS
ASSY LVPS
Replace the
Go to Step 5 HARNESS
ASSY LVPS
Problem
Go to Step 6
solved
Troubleshooting for Individual Units
Table 3-61. Troubleshooting for MAIN MOTOR (continued)
Step Action and Question
HVPS/MCU
6
1. Replace the HVPS/MCU. (p.301)
♦
Has the trouble been cleared?
Revision C
Yes No
Replace the
Problem
MAIN
solved
MOTOR
112
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