Epson EPL-N3000 Service Manual page 116

EPSON EPL-N3000/AcuLaser M4000N
Table 3-63. Troubleshooting for FUSER ASSY (continued)
Step Action and Question
Thermistor of Temperature Sensor
1. Disconnect P/J46 from the LVPS.
2. Check the resistance between P/J46-6 ↔ P/J46-7
7
and between P/J46-1 ↔ P/J46-2.
♦
Is the resistance about 480 kΩ at normal
temperature (about 20°C) between P/J46-6 ↔ P/
J46-7 and between P/J46-1 ↔ P/J46-2?
HVPS/MCU
8
1. Replace the HVPS/MCU. (p.301)
♦
Does the problem still occur?
LVPS
9
1. Replace the LVPS. (p.287)
♦
Does the problem still occur?
Troubleshooting
Yes No
Replace the
Go to Step 8
FUSER ASSY
Problem
Go to Step 9
solved
Replace the Problem
FUSER ASSY solved
Troubleshooting for Individual Units
Revision C
116
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