Fig.12-4. Removing
the
Holder Assembly,and
Rollers
12.5 Removing and Remounting the Head
FPC,
Track 0 Connector, and Stepper
Motor
Connector
(1)
Draw
the
contact
section
of
the
head
FPC
upwards
out
of
the
head
connector
J6
by
pinching
it
by
flat
pens
with
care
not
to
damage
it.
(2) Remove
the
track 0 cable connector (red)
from
the
connector
J3
(on
the
stepper
motor
side,
red) on
the
PCB.
(3)
Remove
the
stepper
motor
cable
connector
(brown)
from
the
connector
J4
(on
the
track 0
side, brown).
(4) Remount
the
above
in
the
reverse procedure
of
steps (1)
to
(3).
In this
case,
be sure
to
insert
the
head
FPC
to
the
full
extent
in
the
right
angle.
Wiring
should be made
so
that
the
lead
wire
of
the
track 0 and
the
stepper
motor
does
not
contact
the
carriage
of
the
head
or
hang over
the
track
0.
(5) Ensure
that
the
head
FPC
is
not
higher
than
the
track O assembly.
(6) Ensure
that
the
head
FPC
does
not
contact
the
head
of
the
track 0 assembly set screw.
Note:
FPC:
Flexible printed circuit.
- 16 -
----·-
---
Fig.12-5.
He•dF~
PC~J
6
Removing
the
Head
FPC,
Track O
Connector, and Stepper
Motor
Connector
12.6 Removing and Remounting
the
Head Carriage
Assembly,
Rod
Clamp, and Guide
Rod
(1) Remove
the
holder assembly according
to
the
procedure in section 12.4.
(2) Remove
the
head
FPC
from
the
connector
J6
according
to
the
procedure in section 12.5.
(3) Remove
two
set screws on
the
rod and remove
the
rod clamp.
(4) Move
the
head carriage assembly in
the
reverse
direction
of
the
stepper
motor
(rightward) and
remove
it.
(5)
Draw
the
guide rod
out
of
the
head carriage
assembly.
(6)
Remount
the
above in
the
reverse procedure
of
steps (1)
to
(5).
[Cautions
for
Remounting]
(7)
Apply
oil
to
the
guide rod
(but
not
too
much),
insert
the
rod
into
the
head assembly, move
it
back and
forth
several times, and confirm
that
the
guide rod moves smoothly.
(8) Place
the
position
where
the
head carriage
assembly pinches
the
stepper
motor
lead screw
at
the
center
of
the
lead screw length.
(9) Place
the
mounting
position
of
the
guide rod
on
the
base
so
that
the
tail
end
of
the
guide rod
comes
to
the
same
position
as
the
base
or
projected
less
than 1 mm.
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