HP LaserJet 3200 Service Manual - Page 148

Basic troubleshooting Table 10. Basic troubleshooting # Verification steps 1 Is Power On successful? When the product is connected to a grounded power source, the printer motor should rotate for approximately six seconds and the document scanner motor should rotate for approximately two seconds. Possible problems No power. Printer motor does not rotate. Document scanner motor does not rotate. 2 Is the product ready? The control panel should function without error messages. Control panel displays an error. Control panel is not functional. Solutions 1. Verify that the product is plugged in. 2. Verify that the power cable is functional and that the power switch is on (220v only). 3. Verify that FU102 on the ECU is not open. 4. If all of these conditions are correct, replace the ECU. 1. Verify that the toner cartridge is present. 2. Verify that the printer door is closed. 3. Verify that paper is loaded in the paper input tray. 4. Verify that printer path paper sensors are functional. 5. Verify that the motor connector J1 is seated into the ECU. 6. Verify that the motor is correctly mounted to the printer chassis. 7. If all of these conditions are correct, replace the ECU. 8. If, after replacing the ECU, the printer motor still does not rotate, replace the motor. 1. Verify that the document scanner connector is seated in the formatter. 2. Verify that the document scanner motor is correctly mounted in the document scanner assembly. 3. If these conditions are met, replace the document scanner motor. 4. If, after replacing the motor, the document scanner motor still does not rotate, replace the formatter. 5. If, after replacing the formatter, the document scanner motor still does not rotate, replace the ECU. Consult the list of common messages later in this chapter to correct the error. Verify that the control panel cable is seated into both the control panel and the formatter. If the cable is connected correctly, replace the control panel. 146 Chapter 6 - Troubleshooting EN