Lexmark C935 - Page 138

2-46 Printer Service Manual
5057-XXX
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5
Check the sensor (tray 4 feed-out) for proper operation.
1. Enter the Diagnostics Menu.
2. Select INPUT TRAY TESTS.
3. Select Sensor test.
4. Select Tray 4.
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 4 feed-out) for proper
connection.
Is the above component properly connected?
Replace the sensor
(tray 4 feed-out).
Replace the
connection.
7
Check the media feed lift motor in media tray 4 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 4 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.
9
Check the TTM tray 4 transport motor 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 TTM tray 4 media transport motor
Does the above component operate properly?
Go to step 9. Skip to step 8.
10
Check the TTM tray 4 transport motor for proper
connection.
Is the above component properly connected?
Replace the TTM
tray 4 transport
motor
.
Go to “2000-sheet
dual input (TTM)—
TTM tray 4
transport motor
removal” on
page 4-163.
Replace the
connection.
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