Epson EPL-N4000 - Spots

EPSON EPL-N4000/EPL-N4000+ Chapter 3 Troubleshooting
Rev.B 122
3.4.9 Spots

Problem
There are spots of toner randomly
scattered across the pa
g
e.

SUSPECT COMPONENTS
The followin
g
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 usin
g
this FIP, replace each
component listed below, one at a
time, until the problem disappears.
• No recommendations
Table 3-46. Spots
Table 3-47. Spots
Step Actions and Questions Yes No
1
EP CARTRIDGE INSPECTION
1. Remove the EP Cartrid
g
e.
2. Inspect the outside of the Cartrid
g
e.
3. Open the Shutter and inspect the
Drum.
I
s the EP Cartridge dirty and is it
leaking toner?
Replace the
EP
Cartrid
g
e
Go to step 2
Step Actions and Questions Yes No
2
INTERIOR INSPECTION AND
CLEANING
1. With the EP Cartrid
g
e removed,
inspect the interior of the printer for
toner contamination.
2. Vacuum or wipe all interior surfaces,
includin
g
Feed Rolls.
3. Generate 30 Blank Test Prints to
clean out the printer.
4. Examine the last print out.
Are the spots gone?
Problem
solved
Go to step 3
3
IMAGE TRANSFER INSPECTION
1. Remove the Rear Cover.
2. Generate a Blank Test Print and
switch OFF printer power halfwa
y
throu
g
h the print c
y
cle.
3. Open the Left Upper Cover.
4. Open the Drum Shutter.
5. Hand rotate (counter clockwise) the
Main Drive Motor to advance the
Drum far enou
g
h so
y
ou can see the
developed ima
g
e area on the Drum
before
it reached Transfer.
Is the paper clean before Transfer,
but there are spots on the paper
after Transfer?
Replace the
BTR
Assembl
y
.
Go to step 4