Lexmark C734dn Service Manual page 136

5026
Step Questions / actions
1. Disconnect the cable in JTRAY1.
4
2. Connect the cable from the new paper
pick mechanism.
3. Bring the printer up in Diagnostic menu
(turn off the printer, press and hold
. and turn on the printer).
4. Select SENSOR TESTS, and press
Select ( ).
5. Select Dynamic Sensors, and press
Select ( ).
6. Select Narrow Media, and press
Select ( ).
7. Activate the narrow media sensor.
Did the narrow media sensor change from
Closed to Open?
Service Manual
2-100
Yes
Remove the paper pick
mechanism. See
"Paper
pick mechanism
assembly removal" on
page 4-127.
and
No
Replace the system board.
See
"System board
removal" on page 4-153.
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