2-88 Options Service Manual
4024-XXX
2 Check the paper position.
Open the duplex left door assembly and visually check
it.
Does the paper touch the duplex wait actuator?
Remove the paper. Go to step 3.
3 Check the duplex unit for proper installation.
Remove the duplex unit assembly and reinstall it.
Perform a two sided print test.
Does the error still occur?
Go to step 4. Problem solved.
4 Check the roll.
Open the duplex left door assembly.
Is the roll of the duplex media transport roll assembly
free of excess wear and contamination?
Go to step 5. Clean or replace the
duplex media
transport roll
assembly.
Go to “Duplex
media transport
rolls removal” on
page 4-190.
5 Check the drive power transmission.
Open the duplex left door assembly.
Do the duplex media transport roll assembly and the
other gears rotate smoothly?
Go to step 6. Replace damaged
components.
Go to “Duplex
media transport
rolls removal” on
page 4-190.
6 Check the roll.
Open the duplex left door assembly.
Is the roll of the duplex media center transport roll
assembly free of excess wear and contamination?
Go to step 7. Clean or replace the
duplex media center
transport roll
assembly.
Go to “Duplex
media center
transport roll
removal” on
page 4-191.
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 4-191.
8 Check the sensor (duplex wait) for proper operation.
1. Enter Diagnostics mode.
2. Select DUPLEX TESTS.
3. Select Sensor Tests.
4. Select 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.
Step Check Yes No
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