Secondary Fips - Epson EPL-N4000 Service Manual

EPSON EPL-N4000/EPL-N4000+

3.5 Secondary FIPs

The FIP Flowchart or a Primary FIP should have directed you to this
section. Before entering the Secondary FIPs:
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 EP Cartridge, replaced at
recommended intervals?
Rev.B
Table 3-59. Electrical Noise Troubleshooting
Step Actions and Questions
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.
• Lift Up Motors
• Feed Clutches
• ROS Assembly.
• Offset Unit.
• ESS PWB.
1 EXTERNAL NOISE
1. Check if there is other electrical
equipment, such as electrical
generators, radio transmitters, or
devices using electrical motors, within
ten feet of the printer.
2. Shut off the other electrical
equipment or relocate the printer at
least twenty feet away from the other
devices.
Is the Electrical Noise problem still
present?
Chapter 3 Troubleshooting
Yes No
Go to step 2 Permanently
relocate either
the printer or
the problem
device.
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