EPSON EPL-N4000/EPL-N4000+ Chapter 3 Troubleshooting
Rev.B 91
Table 3-2. Service Flowchart(Cont.)
3.1.2 FIP Flowchart
If you used the Service Flowchart, it should have directed you to this
section. Follow the
FIP Flowchart
, located at the end of this section,
to
analyze your printer problem.
3.1.2.1 How to use the FIP Flowchart
1. If the LCD displays an error code;
o to the
ERROR CODE
box.
2. If you have a printer operation problem;
o to the
PRINTER
PERFORMANCE
box.
3. If you have an print ima
o to the
IMAGE QUALITY
box.
4. Follow the arrow leadin
from your problem box to the individual
Primary FIP (Fault Isolation Procedure) that corresponds to your
error code, printer operation problem, or print ima
e problem.
5. Follow the instructions presented in the FIP.
6. Volta
e and resistance values presented in the FIPs are an
approximation. Actual readin
s may vary from the stated values.
7. Primary FIPs may direct you to a Secondary FIP. In the FIP
Flowchart, the relationship between Primary and Secondary FIPs is
represented with dotted lines.
Block Procedure
3 • Find the cause of the problem.
Use the FIP Flowchart to find the cause of the problem.
Use Dia
nostic Mode to check printer components.
Use the Wirin
rams to locate P/Js and test points.
Take volta
s at various test points.
4 • Correct the problem.
Use the Disassembl
procedures(RRPs) to
replace a part.
Use the Parts List to locate a part inventor
number.
5 • Final Checkout.
Test the printer to be sure
ou corrected the initial problem and
there are no additional problems present.