BIXOLON IMPACT PRINTER SRP-270 - Manual (Page 70)

Rev. 3.02 - 70 -
SRP-270
Phenomenon
Condition Cause Level Check point & Method Repair Method
Wear or ①
damage of
Lead Cam or
the gear A ·Check the teeth of
each gear and of the
Lead Cam for wear
and damage
·If worn or damaged,
replace the
defective gear or
the Lead Cam
5.
Intermittently
defective
character
width Intermittent
changes in
character width
Defective ②
input charge
pulse B
See cause of phenomenon 2 ⑤
Defective ①
R·L reset
detector sub
Assy
B ·Use an oscilloscope to
check if a signal is
generated from of the
R(L) reset detector
sub Assy by rotating
the Lead Cam
·Replace the R(L)
reset detector sub
Assy if no signal is
generated
6. Motor
rotation does
it stop
Defective ②
motor drive
signal B
See cause of phenomenon 1 ②
(Check input signal stop high) ⇒
Defective ①
paper supply A ·Check the width,
length and thickness
of the paper
·Check the paper
feeding path
·Use the standard
paper
·Repair each supply
mechanism so that
paper supply is
smooth
·Check the end part
of paper
Detect in ②
step motor B ·Apply 24V to motor
and check to turn
·Substitute if motor is
not in turning
In proper ③
connection or
damage of
terminal
connector in
step motor, or
cutting of wise
or damaged
connected part B ·Check flow of
electricity between
Pertinent terminal
·In case of no flow of
electricity,
substitute Assy for
main circular
·In case of no
connection, try to
connect with
leading
·In case of cutting
wire or damaged,
substitute step
motor
Occurrence ④
of paper jam A See cause of phenomenon 1 ⑤
Wear or ⑤
damage of the
teeth of the
gears B ·Check the gear for
wear or damage
·If there is wear or
damage, replace
the pertinent gear
Wear of the ⑥
Rubber Roller B ·Check the surface of
the Rubber Roller for
wear
·If the Rubber Roller
is worn, replace it
Deformation ⑦
of the spring
Roller B ·Check if the Shaft
Roller has become
deformed
·If deformed, replace
it with a new spring
The Shaft ⑧
Roller rotates
malfunction B ·Check to be
something in Gear
and to be well touched
·If deformed, replace
the pertinent Shaft
Roller
7. Paper is
not feed All Printing is
done at one
line without the
paper being
feed
Turning ⑨
direction of
Gear B ·Check to be
something in gear and
to be well touched
·Remove dusts
removed wire