EPSON EPL-N3000/AcuLaser M4000N
Revision C
Troubleshooting
Troubleshooting for Individual Units
116
Confidential
7
Thermistor of Temperature Sensor
1. Disconnect P/J46 from the LVPS.
2. Check the resistance between P/J46-6
↔
P/J46-7
and between P/J46-1
↔
P/J46-2.
♦
Is the resistance about 480 k
Ω
at normal
temperature (about 20
°
C) between P/J46-6
↔
P/
J46-7 and between P/J46-1
↔
P/J46-2?
Go to Step 8
Replace the
FUSER ASSY
8
HVPS/MCU
1.
Replace the HVPS/MCU.
(p.301)
♦
Does the problem still occur?
Go to Step 9
Problem
solved
9
LVPS
1.
Replace the LVPS.
(p.287)
♦
Does the problem still occur?
Replace the
FUSER ASSY
Problem
solved
Table 3-63. Troubleshooting for FUSER ASSY (continued)
Step
Action and Question
Yes
No
Summary of Contents for AcuLaser M4000N
Page 19: ...Confidential C H A P T E R 1 PRODUCTDESCRIPTION ...
Page 33: ...Confidential C H A P T E R 2 OPERATINGPRINCIPLES ...
Page 63: ...Confidential C H A P T E R 3 TROUBLESHOOTING ...
Page 160: ...Confidential C H A P T E R 4 DISASSEMBLYANDASSEMBLY ...
Page 396: ...Confidential C H A P T E R 5 ADJUSTMENT ...
Page 404: ...Confidential C H A P T E R 6 MAINTENANCE ...