Diagnostic information 2-79
7500-432, -632, and -832
2 Check the media size setup.
Does the media size in use match the size set for
tray 4?
Go to step 3. Replace the media,
or change the media
size setup.
3 Check the tray 4 rolls.
Pull out the tray 4, and check it.
Are the feed roll, separation roll, and pick roll for
transport free of excess wear and contamination?
Go to step 4. Clean or replace the
feed roll, separation
roll, and pick roll.
Go to “2000-sheet
dual input (TTM)—
feed roll removal”
on page 4-266,
“2000-sheet dual
input (TTM)—
separation roll
removal” on
page 4-270, and
“2000-sheet dual
input (TTM)—pick
roll removal” on
page 4-273.
4 Check the media position.
Does the media touch the sensor (pre-feed) of the tray 4
media feed unit assembly?
Remove the media. Go to step 5.
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 Pre-feed.
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 tray 4 media feed lift motor for proper
operation.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Printer Motor Test.
4. Touch Tray 4 feed mtr.
Does the above motor rotate normally?
Go to step 11. Go to step 9.
9 Check the tray 4 media feed lift motor for proper
connection.
Is the above motor connected properly?
Go to step 10. Replace the
connection.
Step Check Yes No