EPSON EPL-N3000/AcuLaser M4000N Revision C
Troubleshooting Troubleshooting for Individual Units 122
Confidential
3.4.11 PWBA EXIT MOTOR 3.4.12 MOTOR ASSY EXIT
Table 3-70. Troubleshooting for PWBA EXIT MOTOR
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
• PWBA EXIT MOTOR (p.286)
• HARNESS ASSY LVPS
• HVPS/MCU (p.301)
•LVPS (p.287)
1
Continuity of the HARNESS ASSY LVPS
1. Disconnect P/J27, P/J10, P/J102 and P/J101 of the
HARNESS ASSY LVPS.
2. Check continuity of the following wiring:
J27 ↔ J102
♦Does each wiring between J27 ↔ J102 have
continuity?
Go to Step 2
Replace the
HARNESS
ASSY LVPS
2
PWBA EXIT MOTOR
1. Disconnect P/J101 on the PWBA EXIT MOTOR.
♦Is the voltage between J101-2 ↔ J101-1 24 VDC?
Go to Step 3
Replace the
LVPS
3
PWBA EXIT MOTOR
1. Replace the PWBA EXIT MOTOR.
♦Is the problem solved?
Problem solved
Replace the
HVPS/MCU
Table 3-71. Troubleshooting for MOTOR ASSY EXIT
Step Action and Question Yes No
Parts below can be the source of this error (Chapter 4 Disassembly and Assembly)
•MOTOR ASSY EXIT (p.266)
• HARNESS ASSY LVPS
• PWBA EXIT MOTOR (p.286)
•HVPS/MCU (p.301)
•LVPS (p.287)
1
MOTOR ASSY EXIT
1. Replace the MOTOR ASSY EXIT.
♦Has the trouble been cleared?
Problem solvedGo to Step 2
2
Continuity of the HARNESS ASSY LVPS
1. Disconnect P/J27, P/J10, P/J102 and P/J101 of the
HARNESS ASSY LVPS.
2. Check continuity of the following wiring:
J27 ↔ J102
♦Does each wiring between J27 ↔ J102 have
continuity?
Go to Step 3
Replace the
HARNESS
ASSY LVPS
3
Power Supply to MOTOR ASSY EXIT
1. Disconnect P/J101 on the PWBA EXIT MOTOR.
♦Is the voltage between J101-2 ↔ J101-1 24 VDC?
Go to Step 4
Replace the
LVPS
4
PWBA EXIT MOTOR
1. Replace the PWBA EXIT MOTOR.
♦Is the problem solved?
Problem solved
Replace the
HVPS/MCU