HP LASER PRINTER ERROR CODE 50 FUSER ERROR ALL HP LASER PRINTERS 1.Temporary error code. Turn printer off then wait 20 or 30 minutes the turn back on. 2. Low or unstable power. Check the wall voltage. If on a surge protector plug straight in two the wall. 3. Bad fuser ass'y. 4. Bad low voltage power supply 5. Bad D.C. controller HP LASER PRINTERS 2, 2D, 3, 3D 1. Defective fuser cable to DC controller. 2. Defective fuser and AC power supply 3. Defective fuser. 4. Defective AC power. 5. Temporary error code. HP LASER PRINTERS 2P, 2P+, 3P 1. Defective fuser. 2. Temporary error code. 3. Defective ac power supply. HP LASER PRINTERS 3SI, 4SI 1.Temporary error code. Turn printer off then wait 20 or 30 minutes the turn back on 2. Improperly seated fuser. 3. Defective fuser. 4. Bad ac power supply. 5. Bad D.C. controller HP LASER PRINTERS 4, 4+, 5 1. Temporary error code. Turn printer off then wait 20 or 30 minutes the turn back on. 2. Defective fuser. 3. Defective DC/AC power supply 4. Change cable from fuser to power supply HP LASER PRINTERS 4V, 4L, 4P, 5P, 6P 1. Improperly seated fuser. 2. Defective fuser. 3. Bad engine board HP LASER PRINTERS 5L, 6L 1. Defective fuser. 2. Defective D.C. controller. HP LASER PRINTER 1100, 2100, 4000, 4050 1. Turn printer off then wait 20 or 30 minutes. 2. If printer is hooked up to uninterruptible power supply or surge protector plug straight in to wall. 2. Replace fuser ass'y 3. Replace engine board. HP LASER PRINTER 1200, 2200, 3100 FAX, 3200 FAX, 4100, 4100MFP 1. Turn printer off then wait 20 or 30 minutes 2. Improperly seated fuser. 4. Defective fuser. Replace the fuser ass'y 3. Temporary error code. 5. If the error persists, replace the ECU. HP LASER PRINTER 2015 1. Unplug the printer, and then plug it in again. 2. Reseat the formatter cable in the ECU. 3. If the error persists, replace the formatter. 3. If after replacing the formatter, the error persists, replace the ECU. HP LASER PRINTER 2300 ERROR 50.X 1. A fuser error has occurred. 2. Turn printer of and then on again. 3. Replace the fuser ass'y 4. Replace the engine board. 5. If you still have a problem with the error 50 and you change all of those parts. HP LASER PRINTER P3005 1. AC Power is not being provided to the fuser assembly, AC voltage is necessary to generate heat in the fuser assembly. 2. Verify that the fuser power cable at the back of the device is connected and the ECU is fully seated. 3.Verify that the seven wire connection is firmly seated in connector J405 on the ECU. You might have to remove the main cooling fan to see this connection. 4. Verify that the four wire connection at the rear of the device is firmly seated in the fuser assembly. 5. Verify that the AC voltage is being provided to the fuser assembly. 6. if the message persists, replace the fuser assembly. HP LASER PRINTERS 3015/3020/3030MFP 1. The product has experienced an internal hardware error. 2. Turn the power switch, wait at least 20 minutes and turn the power on. 3. If a surge protector is being used, remove it. Plug the printer directly into the wall socket. 4. Check the cabling connections to the heating element. 5. Replace the fuser. HP LASER PRINTER 3027M/3035 ERROR 50.X FUSER 1. A fuser error has occurred. 1: low fuser temperature 2: fuser warm up service 3: fuser over-temperature 4: faulty fuser 5: incorrect fuser is installed 6: open fuser circuit 7. Turn off the device to allow the fuser to cool. 8. Verify that the correct model fuser is installed in the device. 9. check the cable connections between the ECU and the fuser. 10. Replace the fuser. 11. Replace the ECU. 12. Replace the high voltage power supply. HP LASER PRINTER 3050, 3052, 3055, 3390, 3392 1. The printer has experienced an internal hardware error. 2. Turn the printer off and turn it on again. 3. If a surge protector is being used, remove it and plug the printer directly into the wall. 4. Check the cabling connections to the heating element. 5. If the error persists, replace the fuser. HP LASER PRINTER 3200 1. The product has experienced an internal hardware error. 2. Disconnect the power cable from the product, wait at least 30 seconds, then reconnect the power cable and wait for the product to initialize. 3. Check the cabling connections to the heating element. 4. Perform the heating element check. 5. If the error persists, replace the heating element. 6. If after replacing the heating element, the error persists, replace the ECU. HP LASER PRINTER 3300, 3380 1. Disconnect the power cable from the product, wait at least 20 minutes, then reconnect the power cable and wait for the product to initialize. 2. Check the cabling connections to the heating element. 3. Perform the heating element check. 4. If the error persists, replace the heating element. 5. If after replacing the heating element, the error persists, replace the ECU. HP LASER PRINTER 4010, 4014, 4015 1. Power cycle the product to determine if the error is persistent. 2. Verify that the correct fuser model is installed in the product. 3. Verify that the correct voltage fuser is installed in the product. 4. Verify that the fusing assembly is firmly seated in the product chassis. Reseat the fusing the assembly, and listen for a “click” at the end of the assembly when you insert it into the product. 5. Verify that the connection to connector J82 on the DC controller PCA is firmly seated. 6. Inspect the fusing assembly connectors, at the front of the assembly, and the connectors on the high-voltage power supply PCA. Look for bent pins or debris. Clean or straighten the pins if necessary. 7. If the error persists, replace the fusing assembly. 8. If the error still persists, replace the high-voltage power supply. HP LASER PRINTER 4200, 4300, 4250, 4350 1. Turn the printer off and allow it to cool down. 2. Make sure that you put the correct model fuser in the right printer. The two printers (4200, 4300) fuser ass'y will fit in the two models but will come up with error 50 3. Check the connector between the fuser and the printer. Replace it if it's damages. 4. Bad fuser ass'y 5. Bad D.C. controller. 6. Bad power supply. HP LASER PRINTER 4345MFP, 5025MFP, 5035MFP ERROR 50.X FUSER ERROR 1. A fuser error has occurred. X=1 Low fuser temperature at startup X=2 Low fuser temperature during printing. X=3 High fuser temperature during printing. X=4 Faulty fuser. X=5 The wrong fuser is installed, or no fuser is install. X=6 Open fuser, heating element broken X=7 Fuser pressure release malfunction X=8 Low fuser temperature X=9 High fuser temperature 2. Turn the MFP off, and allow it to cool. 3. Verify that the correct model of fuser is installed. 4. Verify that the correct voltage fuser is installed. 5. Reinstall the fuser, and check the connection between the fuser and the MFP. Replace the connector if it is damaged. 6. Replace the fuser. 7. Replace the DC controller PCA. 8. Replace the power supply. HP LASER PRINTER 5000, 5100, 5200 1. Turn the printer off and allow it to cool down for a minimum of 20 minutes. 2. Move the printer to another power source and disconnect it from any UPS or surge protector 3. Replace fuser ass'y 4. Replace the power supply 5. Replace the D.C. controller. HP LASER PRINTER 5SI, 8000, 8100, 8150 1. Make sure fuser is installed correctly. 2. Bad fuser ass'y 3. Replace fuser cable ass'y 4. Replace D.C. controller. 5. Replace the low voltage power supply HP COLOR LASER PRINTER 4500 1. Improperly seated fuser. 2. Defective fuser. 3. Defective D.C. controller 4. Replace the power supply board. HP COLOR LASER PRINTER 4600, 5500 ERROR 50.XX 1. Turn the printer off and allow it to cool down for a minimum of 20 minutes. 2. Reinstall the fuser ass'y 3. Replace the fuser ass'y 4. Replace the fuser power supply or the low voltage power supply. 4. Replace the D.C. controller PCB. Calibrate the printer after replacing the D.C controller HP COLOR LASER PRINTER 8500, 8550, ERROR 50.1, 50.2, 50.3, 50.4, 50.6 1. Improperly seated fuser. 2. Defective fuser. 3. Replace the power supply board. 4. Replace the controller board. HP LASER PRINTER 9000, 9040, 9050MFP THIS IS FOR ALL ERROR 50.X 1. Improperly seated fuser. 2. Replace the fuser ass'y 3. Replace the upper cable guide ass'y. 4. Replace the low voltage power supply. 5. Replace the D.C. controller