Epson Stylus 1500 - Page 145

Table 5-7. Repair of the Printer Mechanism (Continued)
Symptom Condition Cause Checkpoint Solution
The
carriage
does not
operate
normally
at power
on (after
the
carriage
has been
manually
centered
prior to
power on).
The carriage
motor rotates,
but the carriage
does not move.
The pulley is
defective.
Check for broken or worn
pulley.
Replace the
driven pulley.
The timing belt is
defective.
Check that the timing belt
is properly inserted into
the bottom of the carriage.
Reinsert the
timing belt.
Check the timing belt for
any damage.
Replace the
timing belt.
The carriage
moves slightly
and then stops.
Carriage
movement is not
smooth.
Check whether the
carriage moves smoothly
when moved manually.
Clean and
lubricate the
carriage.
Check tension of the
timing belt.
Adjust tension of
the timing belt.
Printer
does not
print.
The carriage
moves, but no
printing is
performed.
The head cable is
disconnected.
Check whether the head
cable is disconnected.
Reconnect the
head cable.
The head cable is
defective.
Replace the head cable to
see if operation is normal.
Replace the
head cable.
The printhead is
defective.
Replace the printhead to
see if the printhead
operates normally.
Replace the
printhead.
Ink absorption is
poor.
See "Ink is not absorbed"
on the previous page.
Printer
does not
operate.
Pump may be
broken.
Test pump using the
procedure described on
page 5-17.
Replace pump.
Abnormal
printing.
A particular dot
is not printed.
Printhead surface
is not clean.
Perform the cleaning
operation.
Clean.
The head cable is
disconnected.
Check whether the head
cable is disconnected.
Reconnect the
head cable.
The head cable is
defective.
Replace the head cable to
see if operation is normal.
Replace the
head cable.
The printhead is
defective.
Replace the printhead.
Replace the
printhead.
A dot is not
printed
occasionally.
Printhead surface
is not clean.
Check the front of the
printhead.
Clean.
The ink cartridge
is expired.
Check whether the ink
cartridge has expired.
Replace the ink
cartridge.
Insufficient
contact of the
head cable.
Check whether the cable
is properly plugged into
the connector.
Plug the cable
into the
connector
properly.
Check that contacts are
clean.
Clean.
Troubleshooting
EPSON Stylus 1500 Service Manual 5-15