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Phenomenon
Condition
(2)
"F"
is printed as
shown
below.
F
F
OK
NG
(3)
··P"
is
shon as shown
below.
p
F
OK
NG
Cause
(I)
Pen and return
spring.
(2) Play in
entire slider.
(1)
Faulty engagement of
paper
feed
gear
insjde
rubber roller unit
after
sliding
by
one
tooth.
(2) Substantial play
in
rubber
roller bearing.
Level
Location and Method
of Checking
B
Check
by
rotating Y
idle
gear
back
and
forth
for
several
seconds
by hand in
the
pen-
down
mode.
B
Check
slider and
X
drive
system.
A
Check gear
engagement.
B
Check
for
play
by moving
the
gear
vertically.
Repair Method
Replace rotary holder.
Exchange
slider.
Mount
properly.
Replace
rubber
roller
unit.
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