Lexmark 2380-001, Руководство по обслуживанию

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Power Service Check
If the symptom is that the Power light varies in intensity, make sure
the upper feed roll shaft has the ground spring. If it does not, install
ESD Kit P/N 1368036.
FRU Action
1 Power Supply If the carrier does not move to the left after
turning the printer off and then on, do the
following:
• Make sure the line cord voltage to the
power supply is correct.
• Make sure the power supply outputs are
+5 V dc at CN1-2 and +26 V dc at CN1-4.
If the voltage is incorrect, check the
internal fuses before replacing the power
supply. Generally if F3 is blown it is due to
a short in the printhead; replace the
printhead and the fuse before powering
on again.
• Check for +5 V dc at main logic board
CN11-3 and sub logic board CN1-3, and
for +26 V dc at main logic board CN11-1
and sub logic board CN1-1.
• Make sure the short flexible cable is
undamaged and correctly installed.
2 Sub Logic Board If the carrier moves to the left after turning the
printer off and then on, do the following:
• Move the carrier to the right and turn
power on. The carrier should move to the
left. The power LED should be on steady
whenever the printer is on. If the carrier
moves to the left during after turning the
printer off and then on, but the power LED
is not on steady: Make sure the sub logic
board is receiving voltage by checking for
+5 V dc at sub logic board CN1-3.
• If no voltage or power cable problem is
found, make sure there is +5 V on pins 3
and 9 of the sub logic board connector for
the operator panel cable. If the voltage is
incorrect replace the sub logic board.