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I
MECHANICAL SYSTEM
c.
Attaching the Primary/Transfer
Corona
Assembly
Wire
Primary
Corona Assembly
1)
Remove
the
four
tension
springs,
and
detach
the
grid plate.
4)
5)
Cut
the twisted
end
of
the
corona
wire
to
about
1j
mm
or less
using
a
nipper.
Hook
the loop
of
the
corona
wire
as
shown
in
Figure 4-65,
and
lead the wire
along
the
V-groove
of
the height adjusting
roll.
';
Hook
the
corona
wire tension spring
on
the
corona
wire,
and
twist
the spring
three
to
four
times as
shown.
Primary
corona assembly
(about
2 mm);
/(
O
L d
fenJ
©
Grid tension springs
®
Grid
plate
Figure 4-64
Transfer
Corona Assembly
2)
Detach
the gut wire
from
the transfer
corona assembly; see
p.
4-21
.
3)
Free about
40
mm
from the
corona
wire
reel
(0.06
mm
dia.),
and
form a loop
at
its
end
about
2
mm
in
diameter.
Wind
the 'capitii&jt^i$$Qi^'%'ftefa'
l
key on6e,
and
turn the
hex
key
four
to
five
times:
then
twist
it
to
form
a
loop.
Transfer
corona assembly
(about 5
mm)
Figure 4-65
6)
Cut
the
excess corona
wire
to
about
1
mm
or less
using
a
nipper.
7)
Pick the
end
of
the
corona
wire tension
spring using tweezers,
and hook
iton
the
coronaj'terminal.
Note:
i.
Make
sure
that
the
corona
wire
is
free.
of
breaks
or twists
and
its
gold
plating
has
not
peeled
ii.
Make
sure
that
the
corona
wire
is
not
slack;
normal,
if
the length
of the;
corona
wire tension spring
is
1
2
mm.
in.
Make
sure
that
the
corona
wire
is in
the
V-groove
of
the height adjusting
roll.
4-22
COPYRIGHT©
1992
CANONINC.
CANON
NP-1550
REM
JAN. 1992
PRINTED
IN
JAPAN
(IMPRIME
AU JAPON)
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