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Drive circuit fault
1. Check the power source. Make sure the power source meets product requirements.
NOTE: If the power source does not meet the power frequency requirement of 43 to 67Hz, the
fuser temperature control does not work properly and causes this error.
2. If the error persists, replace the low-voltage power supply.
3. If this product has been previously serviced, check the connector (J101) on the DC controller PCA.
W = 8
Fuser type mis-match
1. Remove and then reseat the fuser.
2. Check the paper type setting using the product menus and in the printer driver. Making sure that
they match and are correct for the type of media being used.
3. If this product has been previously serviced, check the connectors (J50; J139) on the DC controller
PCA.
4. If the error persists, replace the fuser.
W = 10
Low fuser temperature 2
1. Remove and then reseat the fuser. Make sure there is no residual paper in the fuser. Make sure the
device is not located in front of a vent or window where cool air may interfere with the ability of
the fuser to heat up.
2. Check the product power source. Make sure the power source meets product requirements. Make
sure this is the only device using the circuit.
3. Replace the fuser.
4. Check the connector (J50) between the fuser and the product. If it is damaged, replace the fuser.
5. If this product has been previously serviced, check the connector (J50) on the DC controller PCA.
W = 12
Fuser pressure-release mechanism failure
1. Remove and then reseat the fuser. Make sure there is no residual paper in the fuser.
2. Check the fuser pressure-release sensor flag. If it is damaged, replace the fuser.
3. Use the sensor test in the Manual sensor test to verify that the fuser pressure-release sensor (PS7) is
properly functioning. If it is not, replace the fuser.
4. Use the fuser pressure-release drive test in the component test to verify that the fuser motor (M2) is
properly functioning. If it is not, replace the fuser motor (M2).
422 Chapter 3 Solve problems ENWW