Lexmark C935 - Page 130

2-38 Printer Service Manual
5057-XXX
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3
Check the feed roll, separation roll, and pick roll for media
tray 1.
Are the above components free of excess wear and
contamination?
Go to step 4. Clean or replace
the feed roll,
separating roll, or
pick roll.
Go to “Feed roll
removal” on
page 4-115,
“Separation roll
removal” on
page 4-117, and
“Pick roll
removal” on
page 4-116.
4
Check the media position.
Does the media touch the sensor (tray 1 feed-out)?
Remove the
media.
Go to step 5.
5
Check the sensor (tray 1 feed-out) for proper operation.
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
1. Enter the Diagnostics Menu.
2. Select INPUT TRAY TESTS.
3. Select Sensor test.
4. Select Tray 1.
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?
Go to step 7.
Go to step 6.
6
Check the sensor (tray 1 feed-out) for proper connection.
Is the above component properly connected?
Replace the
sensor (tray 1
feed-out).
Replace the
connection.
7
Check the media feed lift motor in media tray 1 for proper
operation.
Caution: When performing motor tests,
ensure that all cover and door interlock
switches are overridden.
1. Enter the Diagnostics Menu.
2. Select MOTOR TESTS.
3. Select Printer motor tests.
4. Select Tray 1 media feed/lift motor.
Does the above component operate properly?
Go to step 9. Skip to step 8.
8
Check the media feed lift motor for proper connection.
Is the above component properly connected?
Replace the media
feed lift motor.
Go to “Media feed
lift motor
removal” on
page 4-120.
Replace the
connection.
Step Check Yes No