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5.5 UNIT REPAIR -PRINTER MECHANISM (M-4A1O)
Any problems related to W printer
mechmism
should be repaired
acrording
to
the
e
troubleshooting
procxxiures
in Table
$7.
Table 5-7.
Repair of the
PrhMer
Mechanism
Symptom
Condition
cause
Checicpoint
solution
4
Foreign
Mmually
drive the gear
~~
~
The pump
The PF motor
substances are
~
Connmed
tO
t~
mechanism
fai~
to
rotate
at
lodged in the gear
pump mechanism to check
‘i&.
does not
time of power
of the mechanism.
if the motor rotates.
operate.
on.
The PF motor is
Check the coil resistance
Replace the
defective.
of the motor.
PF motor.
The tube is not
-W
Check that the tube is
connected to the
properly connected to the
=t~
-.
.
-.
“~d
inkti=
The ink tube is
Replace the
Ckk
the ink tube
~s@Y.
tube.
Ink is not
damaged.
not
go
through
absortxxi
or
the used ink
Thecapis
Check for any defective
Replace
ttm
is poorly tube during the defective.
m.
head cap.
absorbed.
cleaning
Replace the pump to
see
H
R*=
the
operation.
The pump is
defective.
tis
causes the ink to be
aborbed
normally.
pump unit.
The
printhead
is
Replace the
printhead
to
see if this causes the ink to
Replace
W
defective.
be absorbed
normally.
printheadm
Foreign
Manually drive the timing Remove any
The carriage
substances are
belt to see if the carriage
foreign
TJ’o~timge
~tor
fails
tO
lodged
in the gear
~w
~tat=
SuMarKw.
rotate at time of of
the
l’n~ni~”
.
not rotate.
power on.
The carriage Measure the coil
Replace the
motor is defective.
resistance
of
the CR motor
.
-
-~,
The pulley is Check for broken or worn
Replace the
defective.
pulley.
driven
P@3y.
The
Camge
The
~rnage
does not
Checktbt
the
timing
belt
R~~
the
operate
motor rotates,
jS
pqM@
inserted into*
t~ing
~.
but the
Carnage
The
timing
belt
is
mom
of
the
carriage.
normally at
-
@
we.
defective.
time of power
Check the timing belt for
on (after the
Replace the
carriage has
any damage.
timing belt.
been
Check whether the
Cleanamt
manually
caniage
moves smoothly
lubricate the
centered
The carriage
Carriage
when moved manually.
mfage.
prior to
mOVeS
slightly
movement is not
power on).
and then stops.
smooth.
Check tension of the
Adjust tension
timing belt.
of the timing
belt.
0
“.
.~’.
.,
-.’
512
Rev. A