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4076-0WJ
The numbers across the bottom of the page are used in manufactur-
ing. The last number on this line is the last occurring error code. This
number coincides with the flashing power on light and indicates the
type of error indication.
Additional pages print the same as the first page without the purge
pattern.
Parallel Port Test
This test requires a parallel port wrap plug. Install the wrap plug in
the parallel port before you start the test. This test performs a wrap-
around test between the printer parallel port and the parallel port
test connector. If the test is successful, the power on light flashes. If
the test is not successful, the power on light remains off.
Encoder Sensor Test
The printer motors are disabled during this test to allow you to man-
ually move the carrier to verify the encoder is working correctly. The
power on light flashes as the carrier is moved. If the power on light
does not flash, replace the print head cable. If the power on light
appears to break in the sequence, replace the encoder strip. If the
symptom remains, replace the system board.
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