Epson EPL-N4000 - Spot Deletions

EPSON EPL-N4000/EPL-N4000+ Chapter 3 Troubleshooting
Rev.B 121
3.4.8 Spot Deletions

Problem
There are areas of the ima
g
e that
are extremely li
g
ht or missin
g
entirely. These missin
g
areas form
spots that are localized to small
areas of 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 3-44. Spot Deletions
Table 3-45. Spot Deletions
Step Actions and Questions Yes No
1
PAPER INSPECTION
Is the paper wrinkled or dimpled?
Replace
with fresh,
dr
y
paper
Go to step 2
2
EP CARTRIDGE REPLACEMENT
Install a new EP Cartrid
g
e.
Are the spot deletions gone?
Problem
solved
Go to step 3
Step Actions and Questions Yes No
3
IMAGE TRANSFER INSPECTION
1. Remove the Rear Cover.
2. Generate a Black 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.
Before Transfer was the toner image
on the drum normal and without spot
deletions, but there are spot deletions
on the paper after Transfer?
Replace the
BTR
Assembl
y
.
Go to step 4
4
FUSER INSPECTION
1. Generate another Black Test Print and
switch OFF printer power when the
print is halfwa
y
throu
g
h the Fuser.
2. Open the Left Upper Cover.
3. Examine the paper areas before the
ima
g
e enters the Fuser and after the
ima
g
e exits the Fuser.
Is the image on the paper normal
before it enters the Fuser, but there
are spot deletions visible when it exits
the Fuser?
Replace the
Fuser
Assembl
y
.
Replace the
paper with
fresh, dr
y
paper.
If problem
continues,
thorou
g
hl
y
clean the
inside of the
printer.