Sharp CE-150 - Page 26

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Phe nomen on
8. Y-direction
movement is
insufficie nt .
Co ndition
(2) Paper and rubber roller
slip.
(I) Charact er alignment on
one line is bad , and
the li
ne rises at th e
right end.
(2) Stepping error in
Y-direction.
Cause Level
(1) Damage to paper hol d- A
ing roller (large) (3-6)
and paper holding roller
(small)
(3- 7) .
(2) Defonnation of paper
c
guide.
(3)
Fore i gn matter in paper
A
guide.
( I) Roll paper load is too A
heavy.
(1) Y drive mechanism gear B
is damaged.
(2) Sliding
paper feed gear, A
by one tooth, gearing
of rubber roller unit is
not enough.
(3) Rubber roller unit B
bearing is worn.
( 4) Low batte ry voltage. A
Location and Method
of Checking
Check if paper holding
roll
er is there.
Check for paper guid e
defonnat ion.
Check for foreign matter in
paper
gu ide and for inscr-
tion of paper.
Check
that roll paper is
guided smoothly in to the
printer.
Check Y idle gear (3-2),
r
ubber roller unit (3-3) gear,
a
nd Y motor unit (3· I) gear.
Check that th e two-piece
t
ooth gear on rubber ro ll er
unit is engaging after bei ng
slid by one to o th .
Move rubber roller unit gear
up and down by h and and
check for play.
Check if battery vo lt age is
below
4. 5V .
Repair M et h od
Rep lace damaged rolle1.
Replace paper guide.
Remove foreign
matte r.
Repair roll
paper guide.
Replace
gea rs .
Mount after se ttin g it
prop er ly.
• Replace rubber roller unit
if wear is noticed.
• Fix by using a cyano-
acrylate adhesive when
there is play between
the
bearing and frame.
• Replace printer.
Recharge
to regular voltage.
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