Lexmark C734dn Service Manual page 383

5026
It is difficult to press both locking tabs at the same time. Using a spring hook, press the locking tab (A), and
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disengage the sensor on that side. Press the other locking tab (B), and remove the sensor.
Note: Use a slight pressure on the cable to keep the first locking tab from relatching, while you disconnect
the second locking tab.
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For the lower two sensors:
Using a spring hook, press the locking tab (C), and disengage the sensor on that side. Press the other
locking tab (D), and remove the sensor.
Repair information
4-161