Diagnostic information 2-53
7500-432, -632, and -832
7 Check the drive power transmission.
Open the duplex left door assembly.
Do the duplex media center transport roll assembly and
the other gears rotate smoothly?
Go to step 8. Replace damaged
components.
Go to “Duplex
media center
transport roll
removal” on
page 4-321.
8 Check the sensor (duplex wait) for proper operation.
1. Enter the Diagnostics Menu.
2. Touch DUPLEX TESTS.
3. Touch Sensor Test.
4. Touch Duplex wait.
Open the duplex left door assembly.
Does the display on the operator panel change every
time the sensing area of the above sensor is blocked by
the duplex wait actuator?
Go to step 10. Go to step 9.
9 Check the sensor (duplex wait) for proper connection.
Is the above sensor connected properly?
Go to step 10. Replace the
connection.
10 Check the duplex drive motor for proper operation.
1. Enter the Diagnostics Menu.
2. Touch MOTOR TESTS.
3. Touch Printer Motor Test.
4. Touch Duplex drv mtr.
Open the duplex left cover assembly.
Does the above motor rotate properly?
Go to step 12. Go to step 11.
11 Check the duplex drive motor assembly for proper
connection.
Is the above motor connected properly?
Replace the duplex
drive motor.
Go to “Duplex drive
motor assembly
removal” on
page 4-308.
Replace the
connection.
12 Check the duplex controller card assembly and printer
engine card assembly for proper connection.
Are the connections on the duplex controller card
assembly and the connector P417 on the printer engine
card assembly connected?
Go to step 13. Replace the
connection.
13 Perform a 2 sided print test.
Does the error still occur?
Replace the duplex
controller card
assembly.
Go to “Duplex
controller card
assembly removal”
on page 4-311.
Go to step 14.
Problem solved.
14 Perform a 2 sided 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
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