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Phenomena
Condition
Cause
Checking point
and method
Repair method
1. Do not print all columns
Motor {4*1) and tnggor
magnet |5-1) are operat¬
ed
normally
but
the
(1) Ribbon cossetto (fi¬
ll is not mounted.
—
Check whether ribbon
cassette (6-1) is mount¬
ed or not
Mount ribbon cassette
(6-1).
punter dees not pnnt
(2) Ink ribbon |fi-1| is
•■(leveled.
Check whether the end
marker oi ink ribbon <6-
11 is provided or not
Replace ribbon cassette
(S-1).
(3) Mead (2-1-1) tt in
pressure contact release
(release lever (5-6) on)
state.
Check the position of
release lever |S-6|.
Set release lever (5-6)
to off.
(4) In* ribbon |fi-i| is
not wound.
Mold the nobon cassette
(0-1)
winding
bobbin
with the thumb end fore¬
finger. and rotate ribbor.
cassette (6-1) to check
its rotation load
Replace ribbon cassette
(8-1).
2. Carriage (2-1) does not
move io the left and right
Motor (4-1) does not
rotate even when the
printing
instruction
ie
(I) disconnection
at
the
teed wire
Cheek conduction of the
lead wire.
Replace the lead wire or
perform proper scHsinn
input
(2) Motor |4-1) is defec¬
tive-
Chock tho coil resistance
value of motor (4-1).
Replace motor (4-1).
(3) Voltage drop of tho
battery
Motor (4-1) rotates but
carriage (2-1) does not
move smoothly.
(4) Sliding
at
carnage
(2-1 > and can! age guide
Remove carnage guide
plate unit (2-1-13) from
Replace carriage guide
plate unit (2-1-13).
unsatisfactory.
check
sliding
of
the
carriage
Check whether the wire
is dislocated from the
wire pulley.
Apply the
wire
again
oocisci v.
[.
l
'1
Check whether the wire
is coveted or not
Replace the wire.
(7) Goar deformation or
foreign materials entenng
into the gear teoth.
Cheek tho periphery of
the gear
Remove
tho
foroign
materials or replace the
doformod gear.
(8) Carnage (2-1) le In
contact with FPC (2-1
2).
Chock whether carnage
(2-1) is in contact with
FPC (2-1-12) or not
Correct the installation
of FPC (2-1-2).
PRN-T24(AE)
3-3
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