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Stv/us
Co/or service Manual
Tivubkshooting
Table 5-7. Repair of the Printer Mechanism (Cont.)
Condition
I
Cause
I
Checkpoint
I
Solution
I
Symptom
The head cable is
Check whether the head
Reconnect the
disconnected.
cable is disconnected.
head cable.
%inting
is
lot
]erformed.
The head cable is
Replace the head cable to
Replace the
rhe
carriage
defective.
see if operation is normal.
head cable.
3eplace
the
printhead
to
Replace the
see
if the
printhead
merates
normallv.
printhead.
Ink absorption is
poor.
See
“Ink is not absorbed”
w
the previous page.
Perform the cleaning
Clean.
operation.
Check whether the head
Reconnect the
cable is disconnected.
head cable.
1
I
The head cable is
A
particular dot
‘imnnaed”
is
not
printed.
The head cable is Replace the head cable to
Replace the
see if operation is normal.
head cable.
Replace the
printhead.
Replace the
printhead.
Printhead
surface
is not clean.
Check the front of the
Clean.
printhead.
The ink cartridge
is expired.
Insufficient contact
of the head cable.
Check whether the ink
I
Replace the
cartriige
has expired.
ink-cartriige.
Plug the cable
Check whether the cable is
into th
e
properly plugged into the
connector.
connector
properly.
A dot is not
printed
occasionally.
Abnormal
printing.
Check the cleanliness.
I
Clean.
Replace the
printhead
to
see if this causes printing
Replace.
to be
perfomwd
normally.
The
printhead
is
defective.
Check whether the used
See “Ink is nol
ink goes through the used
*=hd,,
ink tube.
.
Ink is poorly
absorbed.
Printhead
The platen gap is
characters are
not aligned.
not adjusted.
Check
the platen gap. Adjust the gap
The
intewals
between the The timing belt is
characters are
defective.
irregular.
Check that the timing belt
set
the
timing
is properly inserted into the
bottom of the carriage.
belt properly.
Vertical line is
Bidirectional
not aligned.
alignment is not
adjusted.
Check it with bidirectional
Adjust the
bidirectional
alignment program.
alignment.
Character or
dot pitch is
Character or dot
abnormal.
pitch is abnormal.
Check it with head
Make each
inclination, distance
fronthar
position.
adjustment.
Paper is not
fed normally
Rev. A
5“*3