Lexmark Forms Printer 2400 Service Manual - Page 33

Paper Select Sensor, Service Check on Paper Feed Service, Check on Action

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24xx FRU Action 1 Paper Select Sensor With the paper select lever in the cut sheet position, do the following: • Try to load a cut sheet with Load/Unload. (This button should not work) • If paper loads, go to "Paper Select Sensor Service Check" on page 2-25. 2 Paper Feed If the paper does not feed, do the following: • Remove the ASF. • Be sure the base printer feeds paper correctly. • If the base printer does not feed paper correctly, go to "Paper Feed Service Check" on page 2-23. 3 Gear Train Be sure the ASF drive gear on the inside right side frame of the printer rotates. Inspect the right side gear train for damage or debris. Remove the ASF right cover and ensure that all the gears are in good condition. 4 Combination Lock Install the ASF and press FormFeed. Mechanism If the picker drive shaft does not rotate, replace the combination lock mechanism. 5 Left and Right Hoppers If the ASF picker rollers rotate but a single sheet is not picked, inspect the springs and corner separators on the left and right hoppers. Be sure the paper load lever is in the correct position. Diagnostic Information 2-15

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Diagnostic Information
2-15
24xx
FRU
Action
1
Paper Select
Sensor
With the paper select lever in the cut sheet
position, do the following:
•
Try to load a cut sheet with
Load/Unload
.
(This button should not work)
•
If paper loads, go to
“Paper Select Sensor
Service Check” on page 2-25
.
2
Paper Feed
If the paper does not feed, do the following:
•
Remove the ASF.
•
Be sure the base printer feeds paper
correctly.
•
If the base printer does not feed paper
correctly, go to
“Paper Feed Service
Check” on page 2-23
.
3
Gear Train
Be sure the ASF drive gear on the inside right
side frame of the printer rotates.
Inspect the right side gear train for damage or
debris.
Remove the ASF right cover and ensure that
all the gears are in good condition.
4
Combination Lock
Mechanism
Install the ASF and press
FormFeed
.
If the picker drive shaft does not rotate, replace
the combination lock mechanism.
5
Left and Right
Hoppers
If the ASF picker rollers rotate but a single
sheet is not picked, inspect the springs and
corner separators on the left and right hoppers.
Be sure the paper load lever is in the correct
position.