Specifications
System
B
Installation,
Use,
and
Maintenance
Manual
CONNECTIN3
11.
IMroRTANT:
If
the
canputer
is
on,
unmount
any
diskettes
in
the
drives
(you
do
not
have
to
ranove
than
fran
the
drives),
and
turn
the
computer
off.
12.
Find
the
5~-line
flat
ribl::x>n
cable
coming
out
fran
inside
the
back
of
the
canputer
chassis.
Plug
the
far
end
of
this
cable
into
the
socket
on
the
ri9ht
side
of
the
rear
of
the
printer
(\<ben
you
are
facing
the
rear
of
the
prInter).
Make
sure
that
the
colored
edge
of
the
cable
is
on
the
left
side
of
the
cable
when you
are
facing
the
rear
of
the
printer.
(~nnally,
this
is
the
only
way
the
connector
will
go
in
because
of
a
restraining
insert
in
the
connector.)
If
the
connector
has
screws
for
fastening
to
the
correspondi03
screw
holes
in
the
pr
inter,
tighten
than
down
smggly
..
13.
Find
the
printer
power
cable
which
came
in
the
printer
carton.
Pll.:g
the
l2-pin
molex
connector
into
the
middle
molex
socket
on
the
back
panel
of
the
computer.
It
can
only
go
in
one way.
Press
it
firmly
as
far
in
as
it
can
go.
14.
Insert
the
other
end
of
this
cable
into
the
connector
on
the
left
side
of
the
rear
of
the
printer
(\<ben you
are
facing
the
rear
of
the
printer).
It
will
not
go
in
very
far
until
you
start
tightening
down
the
screws
in
the
cable
connector.
However,
it
cannot
be
screwed
down
at
all
if
you
try
to
attach
it
upside
down,
so
that
there
is
no
way
to
make
a
mistake.
Tighten
the
two
screws
on
the
end.s
of
the
connector
alternately,
until
the
connector
is
in
as
far
as
it
will
go.
15.
lbw,
turn
the
canputer
power
on
again.
N::>te
that
the
lights
on
the
front
panel
of
the
printer
go
on.
'!he
Sprint
3
printer
in
a System 8+53
does
not
have
a
separate
on/off
swi
tch.
It
is
on
\<benever
the
computer
is
on.
If
the
printer
does
not
go
on,
check
that
the
power
cable
is
properly
installed.
If
it
does
go
on,
but
one
or
more
of
the
front
panel
lights
does
not
light
up,
refer
to
the
troubleshooting
tips
below.
16.
Otherwise,
return
to
step
19
in
Section
2.1,
and
follow
the
instructions
there
for
testing
the
printer
subsystem.
If
the
printer
does
not
work
dur
irx:J
testing,
you
may
refer
to
the
troubleshooti03
po
ints
below.
Rev.
A
1/17/80
2-9