Control-panel message Status alert Description Recommended action
59.C0 Error
Turn off then on
Developer motor rotation error. 1. Reconnect the connector
(J518) on the developing
disengagement motor, the
connector (J1005) on the
driver PCA and the
connector (J91) on the DC
controller PCA.
2. Run the sensor test in the
sensor monitor mode to
verify that the developing
disengagement sensor is
functioning correctly. If it is
not, replace the developing
disengagement sensor unit.
3. Run the developing unit
engagement and
disengagement drive test in
the actuator drive mode to
verify that the
disengagement mechanism
is functioning correctly. If it
is not functioning correctly,
replace the developing
disengagement motor.
59.F0 Error
Turn off then on
Transfer alienation failure. 1. Check if the ITB unit is
installed.
2. Reconnect the connector
(J181) on the DC controller
PCA.
3. Run the switch test in the
sensor monitor mode to
verify that the primary
transfer roller
disengagement switch is
functioning correctly. If it is
not functioning correctly,
replace the primary transfer
roller disengagement switch
unit.
4. Run the primary transfer
roller engagement and
disengagement drive test in
the actuator drive mode to
verify that the primary
transfer roller
disengagement mechanism
is functioning correctly. If it
is not functioning correctly,
replace the fuser drive unit.
ENWW Tools for troubleshooting 223
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