Rev. 3.02 - 71 -
SRP-270
Phenomenon Condition Cause Level Check point & Method Repair Method
Defective ①
paper supply
A See cause of phenomenon 1①
Deformation ②
of the Spring
Roller
B See cause of phenomenon 1⑦
Wear of the ③
Rubber Roller
B See cause of phenomenon 1⑥
The Shaft ④
Roller rotates
malfunction
B See cause of phenomenon 1⑧
Wear or ⑤
damage of the
teeth of the
gears
B See cause of phenomenon 1⑤
Deformation ⑥
of the Platen
Paper Guide
710
B ·Check if Platen Paper
Guide has become
deformed
·If deformed, replace
it with a new platen
Paper Guide
8. Uneven
paper
feeding pitch
Uneven line
spacing of the
printed paper
Bad turning ⑦
of gear
A See cause of phenomenon 1⑨
The ratchet ①
of Ribbon
Cassette is
damaged or
worn out
A ·Check whether the
ratchet of Ribbon
Cassette is damage or
worn out
·Replace it if
damaged or worn
out
9. Ribbon
mechanism
does not
function
Despite normal
operation of
the printing
mechanism,
the ribbon not
feed Wear or ②
damage of the
teeth of the
gears
A ·Check ribbon feed
Assy and gear
reduction a, b, c for
wear of damage
·If there is wear or
damage, replace it
Other ①
substances
may exist in
paper passing
track
B ·Check if other
substance may exist
in paper passing track
·Clean out any
particles with a
vacuum cleaner
10. Defective
paper
insertion
When the
paper is
inserted, it
jams or does
not come out to
the exit Method of ②
paper insertion
A ·Check if paper is
inserted according to
the method described
·Always insert the
paper according to
the method
described
Betraying ①
from damage
or transforming
of spring
solenoid
B ·Check betraying or
damage, transform of
spring solenoid
·Substitute with new
spring or reconnect
it
·In case of damage
or transform of it,
substitute by new
spring
② B ·Check betraying from
spring shift clutch and
damage and
transform of it
·Substitute with new
spring or reconnect
with it in case of
betraying
·In case of damage
or transform of it,
substitute by new
spring
11. No
working on
ribbon
shifting
No working of
ribbon shifting
in spite of
normally
moving printing
Attrition or ③
damage of shift
cam shift
·Measure exterior
diameter of spring
shift clutch and check
with eyes
·In case of attrition or
damage, substitute
them