Troubleshooting For Faulty Operation; Power Does Not Turn On - Epson EPL-N3000 Service Manual

EPSON EPL-N3000/AcuLaser M4000N

3.3 Troubleshooting for Faulty Operation

This section describes troubleshooting for faulty operation. For error items, see
3-3. Troubleshooting for Errors Indicated by Error Display
Table 3-52. Troubleshooting for Faulty Operation
Component
Power Does Not Turn ON .......................................... p.104
LCD/LED Malfunction .............................................. p.107
Keypad Operation Impossible .................................... p.107
Main Unit
Other Printer Operation Fault ..................................... p.108
Face Up Tray Error ..................................................... p.108
Full Stack Error/500 Paper Exit ................................. p.109
Troubleshooting
.
"(p.72)
Error Item (Reference Page)
Troubleshooting for Faulty Operation

3.3.1 Power Does Not Turn ON

Table 3-53. Troubleshooting for "Power Does Not Turn ON"
"Table
Step Action and Question
Parts below can be the source of this error
• POWER CORD
• LVPS
(p.287)
• HVPS/MCU
(p.301)
• CONTROL PANEL
• WIRE HARNESS
• INTERLOCK S/W 24V
• INTERLOCK S/W 5V
• INTERLOCK S/W REAR
• FAN MAIN
(p.293)
• FAN SUB
(p.241)
• ROS ASSY
(p.239)
• FUSER ASSY
• GEAR ASSY HOUSING
• MAIN MOTOR
• CLUTCH REGI
• BOARD ASSY., MAIN
• PWBA FEEDER 550
• PWBA DUPLEX
• CLUTCH ASSY PH
• CLUTCH PR-REGI
POWER CORD
1
1. Check continuity of the Power Cord.
♦
Does each wiring of the Power Cord have
continuity?
Input power supply voltage
1. Check the voltage at the power supply
2
receptacle.
♦
Is the input power supply voltage about 100
±
VAC 10%?
(Chapter 4 Disassembly and
(p.170)
(p.247)
(p.247)
(p.291)
(p.253)
(p.281)
(p.279)
(p.219)
(p.299)
(p.310)
(p.347)
(p.318)
(p.319)
Go to Step 2
Go to Step 3
Revision C
Yes No
Assembly)
Replace the
POWER
CORD
Ask the user
to make
arrangements
for a proper
AC power
voltage.
104
Confidential