Diagnostic information 2-71
7500-432, -632, and -832
5 Check the tray 4 sensor (pre-feed) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 4.
5. Touch Feed-out.
Remove the media tray assembly.
Does the display on the operator panel change every
time a white piece of paper is placed over the sensing
area of the above sensor?
Go to step 7. Go to step 6.
6 Check the tray 4 sensor (pre-feed) for proper
connection.
Is the above sensor connected properly?
Replace the sensor
(pre-feed).
Go to “2000-sheet
dual input (TTM)—
sensor (pre-feed)
removal” on
page 4-263.
Replace the
connection.
7 Check the connection between the 2TM/TTM controller
card assembly and the printer engine card assembly.
Are the above cards connected properly?
Go to step 8. Replace the
connection.
8 Check the sensor (tray 4 feed-out) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch INPUT TRAY TESTS.
3. Touch Sensor Test.
4. Touch Tray 4.
5. Touch Feed-out.
Open the 2TM/TTM left door assembly, and visually
check it.
Does the display on the operator panel change every
time the actuator on the above sensor operates?
Go to step 10. Go to step 9.
9 Check the sensor (tray 4 feed-out) for proper
connection.
Is the above sensor connected properly?
Replace the sensor
(tray 4 feed-out).
Go to “2000-sheet
dual input (TTM)—
sensor (tray 4 feed-
out) removal” on
page 4-248.
Replace the
connection.
Step Check Yes No
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