Lexmark X862de Service Manual page 153

Step
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?
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?
9 Check the sensor (duplex wait) for proper connection.
Is the above sensor connected properly?
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?
11 Check the duplex drive motor assembly for proper
connection.
Is the above motor connected properly?
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?
13 Perform a 2 sided print test.
Does the error still occur?
14 Perform a 2 sided print test.
Does the error still occur?
Check
7500-432, -632, and -832
Yes
Go to step 8. Replace damaged
components.
Go to
media center
transport roll
removal" on
page
Go to step 10. Go to step 9.
Go to step 10. Replace the
connection.
Go to step 12. Go to step 11.
Replace the duplex Replace the
drive motor. connection.
Go to "Duplex drive
motor assembly
removal" on
page 4-308.
Go to step 13. Replace the
connection.
Replace the duplex Problem solved.
controller card
assembly.
Go to "Duplex
controller card
assembly removal"
on page 4-311.
Go to step 14.
Replace the printer Problem solved.
engine card
assembly.
Go to "Printer
engine card
assembly removal"
on page 4-119.
Diagnostic information
Previous
No
"Duplex
Next
4-321.
Go Back
2-53