EPSON EPL-N4000/EPL-N4000+
Chapter 3
Troubleshooting
Rev.B
101
3.3 Printer Performance Problems(not
indicated by Error Codes)
Before entering the error analysis, check following points.
1. Is the printer plugged 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 good condition; not frayed or broken?
5. Is the printer properly grounded through 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 gases, 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 sitting on a level and stable surface?
12. Is recommended paper stock being used in the printer?
13. Does the customer use the printer as instructed in the User Manual?
14. Are consumables, such as the Print Cartridge (EP Cartridge),
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 following components are
associated with this specific problem.
One or more of these components may
have failed partially or completely. If
you cannot isolate the problem using
this FIP, replace each component listed
below, one at a time, until the problem
disappears.
• Fuser Assembly
• HVPS Assembly
• Main Drive Assembly
• ROS Assembly
• Wiring and connectors linking 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 plug.
Summary of Contents for EPL-N4000
Page 1: ...EPSON EPL N4000 EPL N4000 Laser Printer SEPG98002 ...
Page 15: ... PRODUCTDESCRIPTION ...
Page 66: ... OPERATING PRINCIPLES ...
Page 103: ... TROUBLESHOOTING ...
Page 146: ... DISASSEMBLYANDASSEMBLY ...
Page 238: ... ADJUSTMENT ...
Page 240: ... MAINTENANCE ...
Page 242: ... APPENDIX ...
Page 252: ...EPSON EPL N4000 EPL N4000 Chapter 7 Appendix Rev B 238 Figure 7 9 P J Location Map8 ...
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