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Phenomena
Condition
Cause
Checking point
and method
Repair method
4. ink nft&on dess no? wind
normally. (Ink ribbon 16-1) is
left ss ib end does nol wind
uo)
Printing eutfsee is solid
and
therofo'o
normal
pnnrorj esnnot Be cwrlad
cot
(1) ink nhbon (6-1) is
stuck on the head Mrface
(2-1-1).
(Sticking phenomenon)
Chock whether ink ribbon
(6-1) i* true; on head
nurfaco (2-1-1) oi not.
Romovo ink ribbon (6*1)
from head surface (2-1-
1) artd wind tho excessive
ihk nbbon (6-11 mnranty.
Normal panting is coined
Out
(2) The winding torqua
of bobbin unit (2-1-1)
on carnage |2-1) is small
Check the rotation torque
(rotation k»ad| of windinj
bobbin unit (2-1-11) on
camaoe (2-1). (At this
point, bo sure that head
(2-1-1) should be in the
pressure contacted state.)
Replace winding bobb-n
spring.
131 Winding gear oohna
(2-1*7) on the carriage
|2-11 wtuch is engaged
with the rock on paper
guide |A) (3-1-1) is out
of position.
Check whether gear (2-
1 -6) on c?mege (2-1) <*
correctly pressure con¬
tacted by winding gear
spring (2-1-7| or not
Install winding gear spr¬
ing (2-1 -7) cpnectly.
5. Strange sound
Scratching sound omits
when
the
carriage
n
reluming.
(1) Tho goaron carriage
(2-f| is not separated
completely from the rack
on paper guide (A) (3-1-
•»
Move cam (5-4) manuety
to put heod (2-1-1) into
pressure contact release
atate.
end chuck that
the gap
Between the
gear on carnage (2-1)
and the rack on paper
guido (A) 13-1-1) is 0.3.
Adjust the shaft position
of pressure contact re¬
lease arm.
Scratching sound emit*
when
the
carriage
re
returning.
|2) The engaging margin
with tho gear on paper
guide (A) 13-1-1) it not
sufficient so
that
the
gear comet off.
Equivalent to 3-114).
Equivalent to 3-(14|.
6. Paper does not teed
Paper does not feed. As
s rerun priming ia re¬
peatedly carried out on
the came line.
(11
Disconnection
of
electromagnetic
clutch
13-6).
Chock conduction of lead
wire.
Replace lead wise or
perform preper sofdenng
Small roltoc (3-1-3) does
not pressure ooxitact with
rubber toller (3-3).
Equivalent to 1 -|3).
Equivalent to 1-431-
7. 2lgr»g paper feeding
Paper skews to one side
or both aides
(1) The lever rotation
direction
dnviation
of
small roller (3-1-3).
Check whether there i*
a lover rotation direct on
deviation or not
Replace small roller unit
(3-1-3).
(2) DelormatiOn o! email
roller holding spring (3-
1-41-
Check
whether
small
roller holding spring |3-
1 -4| is deformed or not
Roplocc
small
roller
holding soring (3-1-4).
(3) Trigger magnet |S*1 >
malfunction.
Move cam (6-4) (to heed
pressure contact release
direction) manually, and
chock that the actuator
ot trigger magnet (6-1)
drobs smoothly.
Equivalent to 3-(1) to
16).
(4)
Paper
passing
become* worse
Chock paper dust and
check tho gap between
paper guides (A) and (B)
(3-1-1 ond 3-2).
Remove paper dust and
provide a
proper gap
between paper gu-des
(A) and (0)(3-1 -1 ond 3-
2).
3-5
PRN-T24CAE)
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