Diagnostic information 2-87
4024-XXX
231.01 Sensor (registration) on jam (duplex paper feed)
5 Check the roll.
Open the duplex left door assembly.
Is the duplex media transport center roll assembly free
of excess wear and contamination?
Go to step 6. Clean or replace the
duplex media
transport center roll
assembly.
Go to “Duplex
media center
transport roll
removal” on
page 4-191.
6 Check the drive power transmission.
Open the duplex left door assembly.
Do the duplex media transport center roll assembly and
the other gears rotate smoothly?
Go to step 7. Replace damaged
components.
Go to “Duplex
media center
transport roll
removal” on
page 4-191.
7 Check the duplex drive motor for proper operation.
1. Enter Diagnostics mode.
2. Select MOTOR TESTS.
3. Select Duplex drv mtr.
Open the duplex left cover assembly.
Does the above motor rotate properly?
Go to step 9. Go to step 8.
8 Check the duplex drive motor for proper connection.
Is the above motor connected properly?
Go to step 9. Replace the
connection.
9 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 10. Replace the
connection.
10 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 14
Problem solved.
14 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.
Step Check Yes No
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