59.F0 Error Description: Printer boots up to 59.F0 Error and is unable to print. This behavior may be caused by one of the following two conditions: Transfer belt is stuck and cannot rotate. Sensor SR17 (primary transfer-roller-disengagement) is bad. Recommended Action: Have the customer reseat the ITB and power-cycle the printer. NOTE: If the problem persists, an HP Certified Technician should be dispatched for further troubleshooting. CAUTION: The following steps should only be performed by an HP Certified Technician. Inspect the ITB by taking the ITB completely out of the printer. Check to see if the flag rotates when the white knob is turned. See the Figures below. make sure the Fuser. To run the Manual Sensor Test. If the ITB flag is broken or damaged. During the test (takes about 20 seconds). observe the alienation drive hub. which is above the cyan cartridge. and then press the OK button. Press the Menu button. and then press OK. Otherwise. Press the down arrow to highlight COMPONENT TEST . follow these steps: Press the Menu button. and then press the OK button Press the down arrow to highlight MANUAL SENSOR TEST . and then press the OK button. and Black cartridge are removed. Press the OK button to exit and continue with next step. Press the down arrow to highlight ITB CONTACT/ALIENATION . EXIT DIAGNOSTICS will be displayed. In order to run this test successfully. replace the ITB (CC468-67907). It is attached to the frame of the printer just above where the end of the black cartridge comes into contact with the back of the frame. Open the right door and defeat the interlock switch. . Locate SR17 through the right side of the printer. ITB. To run the ITB Contact/Alienation Test. Test Sensor SR17. The normal state is 0. If the alienation drive hub does not rotate. The fuser motor is already included in the Fuser Drive assembly. Cyan Cartridge. If it completes successfully. Press the down arrow to highlight DIAGNOSTICS . See Figure below to confirm location of SR17 and placement of paper to test it. Insert a piece of paper into the SR17 sensor bracket. perform the ITB Contact/Alienation Test. follow these steps: Press the Menu button. The state of sensor I on the control panel should change to 1. Perform the Manual Sensor Test. Observe the state of sensor I on the control panel. With the ITB removed. the problem could be the fuser motor or the fuser-drive assembly. continue with step 4. See the Figure below. Before proceeding. Locate sensor SR17 as described above.WG8-5696-000CN) To replace SR17: There is no need to replace the entire rear pre-exposure assembly (that contains SR17) if the sensor is defective. The sensor is embedded in a small holder. remove these supplies: Black and Cyan cartridges Fuser ITB NOTE: Once the supplies are removed and the unit is ready to be worked on. the sensor will need to be replaced. Then tilt the sensor towards you to remove it from . grab the sensor and tilt it back away from you until it pops out of the front of its holder. Observe the control panel for proper operation of the sensor. Then follow these steps to replace the sensor: Turn the printer off. Photo interrupter. (Photo interrupter (SR17) . With your left hand. make sure there is enough light inside the printer to see what you are doing. If the value for sensor I does not change. Just order the sensor replacement component: Part Number WG85696-000CN. Ensure the sensor connector and cable is properly seated. Reinstall all removed components and retest. until it is properly seated in the holder. See the Figure below. Attach the new sensor to the cable. The approximate time required to replace this sensor is 15 minutes. angling the cabled end in first. You may need a small screwdriver to help guide the cable into the sensor connector. See the Figure below. Place the sensor back in the holder. .the holder. You may need a small screwdriver to assist in this step. Gently pull the sensor away from the attached cable to release it from the cable. Defeat the right door safety switch (upper left area) by inserting a stiff or folded piece of paper. Defeat the right door logic switch (right side below fuser) by using masking tape to hold switch down. select EXIT DIAGNOSTICS and then press OK . perform a fuser motor (M2) COMPONENT TEST: Remove the Fuser. During the test. On the control panel. observe the fuser motor gear. and then select FUSER MOTOR and press OK . press the Home button. Defeat the right door logic switch (right side below fuser) by using masking tape to hold switch down. replace the fuser motor (M2). If the test fails or the alienation drive hub does not rotate. select COMPONENT TEST and press OK . If the test fails or the fuser motor gear does not rotate. observe the alienation drive hub located above the cyan cartridge. Check the connections again to the primary-transfer disengagement sensor J19 and to the connector J128 on the DC controller PCA before reinstalling the ITB. and then select ITB Contact/ Alienation Test and press OK . NOTE: To exit the diagnostic. select COMPONENT TEST and press OK . replace the fuser-drive assembly. press the down arrow to highlight the DIAGNOSTICS menu and press OK . During the test. Defeat the right door safety switch (upper left area) by inserting a stiff or folded piece of paper. select EXIT DIAGNOSTICS and then press OK . If the issue persists (Intermittently or permanently). NOTE: To exit the diagnostic. replace dc controller . press the Home button. On the control panel. If the fuser motor is working properly. 13. perform an ITB Contact/ Alienation Test : NOTE: This test activates the fuser motor (M2) and primary transfer solenoid (SL1) to cycle through the ITB alienation stages. Remove any items used to defeat the right door switches. press the down arrow to highlight the DIAGNOSTICS menu and press OK . reinstall the ITB and any other components removed during testing.