Lexmark 248X-200 series, Service Manual

Page: 45 / 172

Diagnostic information
2-27
24XX-200
POST service check
2 Pull Tractor
sensor A failed Pull Tractor sensor can cause the
Load/Unload button 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 2-32
.
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 back
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 back on. If you get
the same error during power-up, verify that the
code module on the logic board is correctly
installed.
3 Logic board Replace the logic board if necessary and reset
the bidirectional print adjustment. Go to
“Bidirectional print adjustment” on
page 4-4
.
FRU Action