When it works run a supplies status report and look at how much life is left in the transfer belt. If very low, replace it first as it could be causing the issue. If not you may have to call someone in for service as you can tell from the error code from the service manual it may be more then you are capable of doing.
59.F0 ERROR Transfer alienation failure 1. Verify that the ITB is installed.
2. Reconnect the primary-transfer
disengagement sensor J19, and
connector J128 on the DC controller
PCA .
3. Run the sensor test in the sensor
monitor mode to verify that the primary
transfer disengagement sensor is
functioning properly. If not, replace the
primary transfer disengagement sensor.
4. Perform the alienation drive component
test in the DIAGNOSTICS menu. If not,
replace the fuser motor. See Fuser
motor on page 200.
59.F0 ERROR Transfer alienation failure 1. Verify that the ITB is installed.
2. Reconnect the primary-transfer
disengagement sensor J19, and
connector J128 on the DC controller
PCA .
3. Run the sensor test in the sensor
monitor mode to verify that the primary
transfer disengagement sensor is
functioning properly. If not, replace the
primary transfer disengagement sensor.
4. Perform the alienation drive component
test in the DIAGNOSTICS menu. If not,
replace the fuser motor. See Fuser
motor on page 200.