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Phenomena
Condition
Cause
Cheeking point
and method
Repair method
3.
Piloting quality is no!
good.
Oi estrangement o* then
actors printed.
(11 Foreign materials are
stuck on the platan unit
(2-2).
Check whether foreign
■naturals aro on platen
(2-2) or not.
Remove
the
foreign
materials
(2| Carriage (2-11 does
not move smoothly.
Equivalent to 2-(4).
Equivalent to 2-(4).
(3| FPC (2-1-2) is not
connected normally to
the connector.
Insert FPC (2-1-2) eon
mctly into me connector
Oot lacks.
(4| The dot resistance nl
heed (2-1-1) becomes
high.
Chock tho individual dot
resistances of bond (2-
1-1).
Replace head unit (2-1-
1).
(5| Disconnector! of FPC
(2-1-2)
Check the conduction
of FPC (2-1 -2).
Replace head unit (2-1 -
1).
Priming
It
thin.
(6) Tho Impression ol
head (2-1-1) ia email.
Chuck the impression of
head 12-1-1).
Replace
impression
spring (2-6).
(7| Head (2-1-1) instal¬
lation
adjustmoni
ia
insufficient
Ctmck whelhnr heed (2-
1-1) i8 in contact with
platen unit (2-2) with a
certain inclination agoinet
it
Correct the inclination
of head (2 1-1).
Character*
printed
ie
broken.
(Si Head (2-1-1) metti-
tation
adrustmuru
it
insufficient
Equivalent to 3-(7).
Equivalent to 3-(7).
(9) ink ribbon |6-1) ia
not being sent normally.
(Wrinkled on the ribbon
due to skew sending)
Remove ink nbbon (0-1)
and check to sea that
there ere wrinkles on
the ribbon or not
Replace nbbon caisctto
(6-1).
(10) Ribbon cassetta <6-
1| is not mounted nor¬
mally.
Check whether ribbon
cassette (8-1) is installed
normally or not
Mount ribbon cassette
(6-1) correctly.
(11)
Platen unit (2-2)
does not sway suffi¬
ciently.
Check whether platen
unit (2-2) sways normally
or not
Replace platen spring
(2-5) or platen unit (2-
2).
.
(12) There am dents or
foreign malarial* stuck
onto tho platen unit (2-
21.
Equivalent ro 3-(l)
Equivalent
to
3-(l).
However, if there aro
dents,
replace
platen
unit (2-2).
Punted surface is not
Clear.
(13) The
pulling
out
load of ink ribbon (6-1)
from ribbon cassette (6-
1) is Urge
Equivalent to 1-(4).
Equivalent to 1 -(4).
(14) The engaging maigkt
between
the rack on
paper guidn (A) (3-1-1)
and winding goer (A) on
carriage
(2-11
is
not
large enough ao that the
winding gear (A) (2-1 -0)
sometimes comer, oft.
While keeping the wind¬
ing bobbin unit 12-1-11)
on tho carnage (2-11 in
fixed
state,
turn
idle
gear (4-4) manually to
move carriage (2-1) and
check io hoar whether
strange sound (gear dis
location aound) emits or
not
Movo paper guide (A)
(3-1-1) to carnage (2-1)
side.
3-4
PRN-T24(AE)
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