Epson 4003353 User Manual
Page 111

Co/or service Manual
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.
is
The head cable is
Replace the head cable to
Replace the
carriage
defective.
see if operation is normal.
head cable.
the
to
Replace the
if the
Ink absorption is
poor.
“Ink is not absorbed”
the previous page.
Perform the cleaning
Clean.
operation.
Check whether the head
Reconnect the
cable is disconnected.
head cable.
1
The head cable is
particular dot
is
not
printed.
The head cable is
Replace the head cable to
Replace the
see if operation is normal.
head cable.
Replace the
Replace the
surface
is not clean.
Check the front of the
Clean.
The ink cartridge
is expired.
Insufficient contact
of the head cable.
Check whether the ink
Replace the
has expired.
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.
Clean.
Replace the
to
see if this causes printing
Replace.
to be
normally.
The
is
defective.
Check whether the used
See “Ink is nol
ink goes through the used
ink tube.
.
Ink is poorly
absorbed.
The platen gap is
characters are
not aligned.
not adjusted.
Check the platen gap.
Adjust the gap
The
between the
The timing belt is
characters are
defective.
irregular.
Check that the timing belt
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
position.
adjustment.
Paper is not
fed normally
Rev. A