Specifications

EPSON EPL-N1600 Chapter 3 Troubleshooting
Rev. A 82
3.2.3 Troubleshooting with Print Image Quality
This section describes the checkpoints for troubleshootin
g
the printer by
referrin
g
the print ima
g
e quality.
3.1 LIGHT (UNDERTONE) PRINT
Problem Suspect Components
The overall ima
g
e densit
y
is too
li
g
ht.
The followin
g
components are assosiated with
this specific problem. One or more of these
components ma
y
have failed partiall
y
or
completel
y
. If
y
ou can not isolate the problem
usin
g
this procedure, replace each components
listed below, one at a time, until the problem
disappears.
• Plate Contact CR
• Plate Contact DB
• Plate Contact BTR
• Plate Contact DTS
• Plate Contact RTN
Step Action and Question Yes No
1 Print test ima
g
e.
Is the test print ima
g
e normal?
Go to Step 2. Go to Step 3.
2 Check and correct the print densit
y
settin
g
with the panel settin
g
mode
(Confi
g
. Menu).
Does the problem still persist?
Replace the
C258MAIN with
a known
g
ood
one.
Problem
solved.
3 1. Print test ima
g
e and turn off the
printer halfwa
y
throu
g
h the print
c
y
cle.
2. Carefull
y
remove the Ima
g
in
g
Cartri
g
de and inspect the toner
ima
g
e created on the OPC drum
surface just before the transfer
area (the area which comes into
contact with the BTR Roll).
Is the toner ima
g
e on the OPC drum
sharp and black in the normal
densit
y
?
Go to Step .8 Go to Step 4.
4 Install a new Ima
g
in
g
Cartrid
g
e and
print test ima
g
e.
Is the print ima
g
e normal?
Problem solved. Go to Step 5.
5
HPS OUTPUT VOLTAGES CR AND
DB TO BCR AND MAGNET ROLL
1. Reform the plate contacts CR, DB
and RTN so the
y
make better
contacts with the Bias Char
g
e Roll,
Ma
g
net Roll, Drum and with the
terminals on the HPS.
2. Print test ima
g
e.
Is the test print qualit
y
normal?
Problem solved. Go to Step 6.
6
HPS
1. Replace the HPS.
2. Print test ima
g
e.
Is the print ima
g
e qualit
y
normal?
Problem solved. -----
7
PAPER CONDITION
Is the paper damp?
Replace with dr
y
paper.
Go to Step 11.