2-78 MFP Service Manual
7500-432, -632, and -832
244.04 Sensor (pre-feed) on jam (tray 4 media feed)
7 Check the sensor (registration) for proper connection.
Is the above sensor connected properly?
Replace the sensor
(registration).
Go to “Sensor
(registration)
removal” on
page 4-81.
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.
10 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 11. Replace the
connection.
11 Perform a print test.
Does the error still occur?
Replace the 2TM/
TTM controller card
assembly.
Go to “2000-sheet
dual input (TTM)—
2TM/TTM controller
card assembly
removal” on
page 4-281.
Go to step 12.
Problem solved.
12 Perform a print test.
Does the error still occur?
Replace the printer
engine card
assembly.
Go to “Printer
engine card
assembly removal”
on page 4-119.
Problem solved.
Step Check Yes No
1 Check the media condition.
Is the media in the tray, crumpled or damaged?
Replace the media. Go to step 2.
Step Check Yes No
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