2-86 Options Service Manual
4024-XXX
231.00 Sensor (registration) on jam (duplex paper feed)
3 Check the sensor (duplex wait) for proper connection.
Is the above sensor connected properly?
Replace the sensor
(duplex wait).
Go to “Duplex
sensor (duplex
wait) removal” on
page 4-184.
Replace the
connection.
4 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 4-181.
Go to step 5.
Problem solved.
5 Perform a 2 sided print test.
Does the error still occur?
Replace the printer
engine card
assembly.
Refer to the Printer
Service Manual.
Problem solved.
Step Check Yes No
1 Check the paper position.
Open the printer left door assembly and visually check
it.
Does the paper touch the sensor (registration)?
Remove the paper. Go to step 2.
2 Check the Duplex for proper installation.
Remove duplex unit assembly and reinstall it.
Perform a two sided print test.
Does the error still occur?
Go to step 3. Problem solved
3 Check the roll.
Open the duplex left door assembly.
Is the duplex media transport roll assembly free of
excess wear and contamination?
Go to step 4. Clean or replace the
duplex media
transport roll
assembly.
Go to “Duplex
media transport
rolls removal” on
page 4-190.
4 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 5. Replace damaged
components.
Go to “Duplex
media transport
rolls removal” on
page 4-190.
Step Check Yes No
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