Lexmark C935 Service Manual page 134

5057-XXX
Step
3 Check the feed roll, separation roll, and pick roll for
media tray 3.
Are the above components free of excess wear and
contamination?
4
Check the media position.
Does the media touch the sensor (tray 3 feed-out)?
5 Check the sensor (tray 3 feed-out) for proper operation.
1. Enter the Diagnostics Menu.
2. Select INPUT TRAY TESTS.
3. Select Sensor test.
4. Select Tray 3.
5. Select Feed-out.
Does the display on the operator panel, change every
time the sensing area of the above sensor is interrupted
or blocked?
6 Check the sensor (tray 3 feed-out) for proper
connection.
Is the above component properly connected?
7 Check the media feed lift motor in media tray 3 for
proper operation.
1. Enter the Diagnostics Menu.
2. Select MOTOR TESTS.
3. Select Printer motor tests.
4. Select Tray 3 media feed/lift motor.
Does the above component operate properly?
8 Check the media feed lift motor for proper connection.
Is the above component properly connected?
2-42
Printer Service Manual
Check
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
Yes
Go to step 4. Clean or replace the
feed roll, separating
roll, or pick roll.
Go to
removal" on
page
"Separation roll
removal" on
page
"Pick roll removal"
on page
Remove the media. Go to step 5
Go to step 7.
Go to step 6.
Replace the sensor Replace the
(tray 3 feed-out). connection.
Go to step 9. Skip to step 8.
Replace the media Replace the
feed lift motor. connection.
Go to "Media feed
lift motor removal"
on page 4-120.
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No
Next
"Feed roll
4-115,
Go Back
4-117, and
4-116.