Lexmark 2480 - Forms Printer B/W Dot-matrix, Руководство по обслуживанию

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2-26
Service Manual
24xx
POST Service Check
2 Pull Tractor
Sensor A failed pull tractor sensor can cause
Load/Unload to malfunction.
With the tractor in the push position:
• Press Load/Unload several times while
alternately holding down and releasing the
left pull tractor actuator. The paper should
not park or load when the pull tractor
actuator is held down.
• If the paper does park or load with the pull
tractor actuator held down, go to “Pull
Tractor Sensor Service Check” on
page 2-31
.
FRU Action
1 Cables A faulty interface cable can cause a POST
error. Disconnect the interface cable from the
printer and turn the printer off and then on.
Check the connections of the power cable to
the logic board.
Check the condition and continuity of the
operator panel cable.
2 Code Module Turn the printer off and then on. If you get the
same error during power-up, verify the code
module on the logic board is correctly installed.
3 Logic Board Replace the logic board if necessary and reset
“Bidirectional Print Adjustment” on
page 4-4
.
FRU Action