Brother International HS-5300 Service Manual - Page 135

Trouble, Shooting

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CHAPTER IV TROUBLE SHOOTING 1. INTRODUCTION 1.1 Initial Check If a malfunction or incorrect print appears, make an initial check, then follow the basic procedure below: (1) Operating environment Check if: 1) The source voltage stays within ±10% from the rating voltage shown on the rating plate. 2) The printer is installed on a solid, level surface. 3) The room temperature is maintained between 10°C and 35°C (59°F and 95°F). The relative humidity is maintained between 20% and 80%. 4) The printer is not exposed to ammonia fumes or other harmful gases. 5) The printer is not located in a hot or humid area (such as near water or a humidifier). 6) The printer is not exposed to direct sunlight. 7) The room is well-ventilated. (2) Paper Check if: 1) A recommended type of print paper is being used. (If the paper is too thin, or tends to curl, paper jams or paper feed problems may occur, or prints may be blurred.) 2) The print paper is damp. [If so, use fresh paper and check whether the print quality improves or not.] (3) Consumables Check if: 1) If there is ink remaining, the LED which indicates ink empty is not on. (If the LED is on, install the indicated color ink.) 1.2 Basic Procedure (1) Check the error lamps according to the procedure of the inspection mode described later in this section. (2) If any incorrect image is found, refer to the image defect description in this section. IV-1

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CHAPTER
IV
TROUBLE
SHOOTING
1.
INTRODUCTION
1.1
Initial
Check
If
a
malfunction
or
incorrect
print
appears,
make
an
initial
check,
then
follow
the
basic
procedure
below:
(1)
Operating
environment
Check
if:
1)
The
source
voltage
stays
within
±10%
from
the
rating
voltage
shown
on
the
rating
plate.
2)
The
printer
is
installed
on
a
solid,
level
surface.
3)
The
room
temperature
is
maintained
between
10°C
and
35°C
(59°F
and
95°F).
The
relative
humidity
is
maintained
between
20%
and
80%.
4)
The
printer
is
not
exposed
to
ammonia
fumes
or
other
harmful
gases.
5)
The
printer
is
not
located
in
a
hot
or
humid
area
(such
as
near
water
or
a
humidifier).
6)
The
printer
is
not
exposed
to
direct
sunlight.
7)
The
room
is
well
-ventilated.
(2)
Paper
Check
if:
1)
A
recommended
type
of
print
paper
is
being
used.
(If
the
paper
is
too
thin,
or
tends
to
curl,
paper
jams
or
paper
feed
problems
may
occur,
or
prints
may
be
blurred.)
(
3
)
2)
The
print
paper
is
damp.
[If
so,
use
fresh
paper
and
check
whether
the
print
quality
improves
or
not.]
Consumables
Check
if:
1)
If
there
is
ink
remaining,
the
LED
which
indicates
ink
empty
is
not
on.
(If
the
LED
is
on,
install
the
indicated
color
ink.)
1.2
Basic
Procedure
(1)
Check
the
error
lamps
according
to
the
procedure
of
the
inspection
mode
described
later
in
this
section.
(2)
If
any
incorrect
image
is
found,
refer
to
the
image
defect
description
in
this
section.
IV
-1