EPSON EPL-N3000/AcuLaser M4000N Revision C
Troubleshooting Troubleshooting for Individual Units 112
Confidential
3.4.2 MAIN MOTOR
Table 3-61. Troubleshooting for MAIN MOTOR
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• MAIN MOTOR (p.279)
• HARNESS ASSY LVPS
•LVPS (p.287)
•HVPS/MCU (p.301)
1
MAIN Motor
1. Remove the Imaging Cartridge.
2. Close the COVER OPEN.
3. Turn on the main power.
4. Check for operating sound of the MAIN Motor.
♦Does the MAIN Motor operate?
Go to Step 2 Go to Step 3
2
♦Has the trouble been cleared? Problem
solved
Go to Step 3
3
HARNESS ASSY LVPS (1)
1. Remove the SHIELD PLATE LVPS. (p.285)
2. Disconnect P/J41 from the LVPS.
(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?
Go to Step 4
Replace the
HARNESS
ASSY LVPS
4
HARNESS ASSY LVPS (2)
1. Remove the SHIELD PLATE LVPS. (p.285)
2. Disconnect P/J42 from the LVPS.
(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?
Go to Step 5
Replace the
HARNESS
ASSY LVPS
5
LVPS
1. Replace the LVPS. (p.287)
♦Has the trouble been cleared?
Problem
solved
Go to Step 6
6
HVPS/MCU
1. Replace the HVPS/MCU. (p.301)
♦Has the trouble been cleared?
Problem
solved
Replace the
MAIN
MOTOR
Table 3-61. Troubleshooting for MAIN MOTOR (continued)
Step Action and Question Yes No