Brother International HS-5300 Service Manual - Page 121

Adjustment

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PR98122, PR99091 5. ADJUSTMENT 5.1 Head Gap When the Print head or other head related parts such as the Upper Nip Plate Unit is replaced, the following adjustment is required. (1) Move the Carriage to the center of the Main frame and remove the Encoder strip. (2) Set the Gap lever to the `Regular' position and check the Head gap. If the Print head is replaced, conduct Head Drive Voltage Adjustment (See section 5.3). If the Head gap is not correct, loosen the screw securing the Gap lever arm. 6> Head .",...„.. 7/,,,. .7.-- Carriage Thickness gauge Fig. 5.1 (3) Insert the thickness gauge between the Print head and the Platen. (4) Check that the head gap is 1.0 mm between the head nozzle plate of the Black and Yellow heads and platen. (5) Make sure that a 1.2 mm gauge will not fit into the gap. @ M-platen Thickness gauge Adjustment point Q-platen Fig. 5.2 Print head Note: The M-platen has a convex shape so that the head gap must be checked at the center. (6) Tighten the screw to secure the Gap lever arm. III-69

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PR98122,
PR99091
5.
ADJUSTMENT
5.1
Head
Gap
When
the
Print
head
or
other
head
related
parts
such
as
the
Upper
Nip
Plate
Unit
is
replaced,
the
following
adjustment
is
required.
(1)
Move
the
Carriage
to
the
center
of
the
Main
frame
and
remove
the
Encoder
strip.
(2)
Set
the
Gap
lever
to
the
`Regular'
position
and
check
the
Head
gap.
If
the
Print
head
is
replaced,
conduct
Head
Drive
Voltage
Adjustment
(See
section
5.3).
If
the
Head
gap
is
not
correct,
loosen
the
screw
securing
the
Gap
lever
arm.
(
3
)
(4)
(
5
)
6>
Head
.",...„..
Fig.
5.1
7/,,,.
.7.
--
Carriage
Thickness
gauge
Insert
the
thickness
gauge
between
the
Print
head
and
the
Platen.
Check
that
the
head
gap
is
1.0
mm
between
the
head
nozzle
plate
of
the
Black
and
Yellow
heads
and
platen.
Make
sure
that
a
1.2
mm
gauge
will
not
fit
into
the
gap.
M
-platen
Thickness
gauge
Adjustment
point
@
Q
-platen
Fig.
5.2
Print
head
Note:
The
M
-platen
has
a
convex
shape
so
that
the
head
gap
must
be
checked
at
the
center.
(6)
Tighten
the
screw
to
secure
the
Gap
lever
arm.
III
-69