2-50 MFP Service Manual
7500-432, -632, and -832
230.01 Sensor (duplex wait) static jam
231.00 Sensor (registration) on jam (duplex paper feed)
Step Check Yes No
1 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 2.
2 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 4. Go to step 3.
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 4-314.
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 4-311.
Go to step 5.
Problem solved.
5 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
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.
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