Specifications

EPSON EPL-N1600 Chapter 3 Troubleshooting
Rev. A 80
2.2 ABNORMAL PRINT OPERAITON
Step Actions and Questions Yes No
SUSPECT COMPONENTS
The followin
g
components are
associated with this specific problem.
One or more of these components ma
y
have failed partiall
y
or completel
y
. If
y
ou
cannot isolate the problem usin
g
this
procedure, replace each component
listed below, one at a time, until the
problem disappears.
• No recommendations
1 Does the printer enter a print c
y
cle? Go to step 3. Go to step 2.
2
+5 VDC POWER SUPPLY
1. Remove the C258MAIN.
2. Check the volta
g
e between:
P31-A10 and FG
P31-A11 and FG
P31-B11 and FG
Is there +5VDC between P31 and FG?
Note:
Since there is no convenient test point
on the HPS (PL7.1.2) to check for
+5VDC, this step has
y
ou check four
separate +5VDC volta
g
es that run from
the HPS throu
g
h the PWBA Hotaru and
on to the C258MAIN throu
g
h J31.
Althou
g
h not a foolproof test, it should
g
ive
y
ou some indication of whether or
not the +5VDC portion of the HPS is
workin
g
correctl
y
. Failure to read
+5VDC on an
y
of the test points most
likel
y
reflect a HPS failure, but in some
cases an PWBA Hotaru failure ma
y
g
ive
y
ou the same readin
g
s.
Go to step 3. Replace the
HPS.
3
C258MAIN Board
Execute Status Sheet printin
g
.
Can the printer
g
enerate a test print?
Go to step 4. Replace the
C258MAIN.
4 Does the printer still exhibit erratic
operation?
Go to step 5. Problem
solved.
5 Replace the C258MAIN.
Does the printer still exhibit erratic
operation?
Go to step 6. Problem
solved.
6 Execute Status Sheet printin
g
.
Does the printer reset while makin
g
a
test print?
Go to Electrical
Noise.
-----
Step Actions and Questions Yes No