User Guide

59.00.C0: Developing disengagement motor (M10) error
1. Open the following menus:
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Administration
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Troubleshooting
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Diagnostic Tests
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Component Test
Use the Alienation Motor test to verify that the disengagement mechanisms are properly
functioning. If they are not, replace the developing disengagement motor.
2. Check the following connectors:
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On the developing disengagement motor (M10): Connector J25
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On the high-voltage power supply PCA: Connectors J261 and J251
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On the DC controller PCA: Connectors J138 and J106
3. Use the Manual Sensor Test to verify that the developer disengagement sensor (SR11) is properly
functioning. The sensor is located inside the main drive assembly and cannot be reached for
testing. Disconnect the connector (J112) at the DC controller while in Manual Sensor Test mode to
verify the sensor operation. If it is not operating, replace the main drive assembly.
NOTE: The normal state is 0. Locate the in-line connector (J70) in the cable that is connected to
developing-home-position sensor (SR11). To find this connector, remove the left-side cover and
look in the area below the support plate. Disconnect the in-line connector. The state of sensor
(SR11) should change to 1.
4. If the motor is defective, replace the motor (M10). If the sensor is defective, replace the main-drive
assembly (RK2-2415-000CN; development disengagement stepping motor M10).
5. If the error persists, elevate the problem to your Global Business unit.
59.00.F0
1. The product initializes and the 59.00.F0 Error displays (the product is unable to print). This error
might be caused by one of the following conditions:
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ITB is stuck and cannot rotate
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Sensor SR17 (primary transfer-roller-disengagement) is defective
2. Make sure that the ITB is correctly installed. Turn the product off, and then on.
CAUTION: If problem persists, an HP Certified Technician should be sent for to perform further
troubleshooting procedures.
The following steps should only be performed by an HP Certified Technician.
290 Chapter 2 Solve problems ENWW