EPSON EPL-N4000/EPL-N4000+ Chapter 3 Troubleshooting
Rev.B 101
3.3 Printer Performance Problems(not
indicated by Error Codes)
Before enterin
the error analysis, check followin
points.
1. Is the printer plu
ed into a recommended AC wall outlet?
2. Is the AC power provided at the wall outlet within recommended
specifications?
3. Is the AC power cord connected to the printer?
4. Is the AC power cord in
ood condition; not frayed or broken?
5. Is the printer properly
h the AC wall outlet?
6. Is the printer located in an area where the temperature and humidity
are moderate and stable?
7. Is the printer located in an area that is free of dust?
8. Is the printer located in an area away from water outlets, steamers,
electric heaters, volatile
ases, or open flames?
9. Is the printer shielded from the direct rays of the sun?
10. Does the printer have recommended space around all sides for
proper ventilation?
11. Is the printer sittin
on a level and stable surface?
12. Is recommended paper stock bein
used in the printer?
13. Does the customer use the printer as instructed in the User Manual?
14. Are consumables, such as the Print Cartrid
e),
replaced at recommended intervals?
3.3.1 Inoperative Printer
Even when the main switch is turned on, LED on the Control Panel is
not turned on, LCD is still blank and Fuser Fan does not rotate, and
warm-up does not start.
Table 3-10. Inoperative Printer
Step Actions and Questions Yes No
Suspect Components
The followin
components are
associated with this specific problem.
One or more of these components ma
ou cannot isolate the problem usin
this FIP, replace each component listed
below, one at a time, until the problem
disappears.
• Fuser Assembl
the
components.
1
AC power cord inspection
Inspect the AC Power Cord
Is the AC power cord plugged into
the back of the printer, and is the
other end plugged into an AC wall
outlet?
Go to Step2 Insert AC
power code
into the
printer and
AC plu