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Phenomenon
7.
Paper
is
not fed.
Condition
(3)
Rotary holder
rota-
tions arc
shor
t
by one
(I)
Y
motor
(3·1)
does not
rotate.
Cause
Level
(3)
Pen
return spring
is
B
deformed.
(2) Reed
switch
is faulty
B
(1)
Discrepancy in
mounting
B
of
the reed
switch
unit.
(2)
Excessive rotation of
A
rotary holder.
(I)
Y
motorlead
wire
is
cut.
B
(2)
Deformation of
Y
idle
B
gear (3·2).
(3)
Rubber
roller
unit
(3·3)
B
does not rotate
well.
(4)
Foreign
matter between
A
gears.
(5)
Low battery
voltage.
A
(6)
Paper holding
roller
B
.
support
plate
unit
(left)
(3-4)
does not operate
smoothly.
(7)
Paper
holding
roller
B
support plate
unit
( right)
(3-5)
does
not
function
well.
Location and
Method
of Checking
Check the
shape of the pen
return spring.
Check
if
reed
switch actuates
when magnetic nux
is
norm
a.I.
Check
position
of reed
switch
unit.
Check
if rotary holder
excessively due
to
foreign
maner,
etc.
Check
if
normal current
is
impressed
to each
phase
of
the
motor.
Check
if
Y idle gear
is
normal
or
not.
Dismount Y
idle
gear
and
check rubber
roller
rotations.
Cautio
n
rotations
are heavy
due to friction be tween
rubber roller and
paper
guide
when paper
is
not
inserted.
Slowly rotate Y
idel
gear by
hand
and
check
for
foreign
matter.
Check if
battery voltage is
below 4.5V.
Hook
tweezer tips
in
hole of
spring hook
on paper
holding
roller
support
plate
unit and
move
it up
and down.
Hook
tweezer tips
in hole
of
spring
hook
on paper
holding
roller
support
plate
unit
and
move it up and
down.
Repair Method
•
Replace rotary
holder.
Replace reed switch
unit
(4·6).
Replace reed
switch unit.
Remove foreign
malle1,
etc.
Replace
X
motor.
Replace
Y
idle
gear.
Replace rubber
roller
u nit.
Remove
foreign
matter.
Recharge
to normal voltage.
Replace
paper
holding
roller
support plate
unit (left).
Replace
paper
holding
roller
support
plate
unit (right}.
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