Epson C82363 Specifications Page 67

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EPSON EPL-N1600 Chapter 3 Troubleshooting
Rev. A 69
1.3 SERVICE REQ E0003
The Fuser Assy. is defective.
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The followin
g
components are
associated with this specific problem.
One or more of these components ma
y
have failed partiall
y
or completel
y
. If
y
ou
cannot isolate the problem usin
g
this
FIP, replace each component listed
below, one at a time, until the problem
disappears.
• Fuser Assembl
y
1
TEMPERATURE SENSORS
1. Unplu
g
J292 from P/J291.
2. Check the continuit
y
between the two
black wires on J292 (Leadin
g
to the
Sensor Assembl
y
Temperature).
3. Check the continuit
y
between the two
white wires on J292 (leadin
g
to the
Sensor Assembl
y
Temperature).
Are there a few hundreds ohms between
the two black wires and between the two
white wires on J292?
Go to step 2. Replace the
Sensor
Assembl
y
Temperature.
2
HEATER LAMP CIRCUIT
1. Unplu
g
the AC power cord from the
AC wall outlet.
2. Unplu
g
J11 from the HPS.
3. Check the continuit
y
between the two
wires on J11.
Is
there continuit
y
(approximatel
y
2.5
)
between the two wires on J11?
Go to step 6. Go to step 3.
3
HEAT LAMP
1. Remove the Heater Lamp.
2. Check the continuit
y
between the two
ends of the Heat Rod.
Is there continuit
y
(approximatel
y
2.5
)
between the two ends of the Heat Lamp?
Go to step 4. Replace the
Heater Lamp.
4
FUSE
Check the continuit
y
between the two
ends of the Fuse.
Is there continuit
y
(0
) between the two
ends of the Fuse?
Go to step 5. Replace the
Fuse
5
THERMOSTAT
Check the continuit
y
between the two
ends of the Thermostat.
Is there continuit
y
(0~2
) between the
two ends of the Thermostat?
Go to step 6. Replace the
Thermostat.
6
HEATER LAMP POWER SUPPLY
1. Reinstall the Fuser, if it was removed
durin
g
a previous step.
2. Switch ON printer power.
3. Check the volta
g
e between the two
wires on P/J11.
Is there 90~132VAC (110VAC model) or
198~264VAC (220VAC model) even
momentaril
y
between the two wires on P/
J11 before the U4 code appears?
Replace
C258MAIN
BOARD.
Replace the
HPS with new
one.
Step Actions and Questions Yes No
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