HP 3150 manual Basic troubleshooting, Verification steps Possible problems Solutions

Basic troubleshooting

Verification steps	Possible problems	Solutions
Is Power On successful?	No power.	1.	Verify that the product is
When the product is connected to		plugged in.
a grounded power source, the		2.	Verify that the power cable is
printer motor should rotate for		functional.
approximately six seconds and the		3. Verify that FU102 on the ECU is
document scanner motor should		not open.
rotate for approximately two		4.	If all of these conditions are
seconds.		correct, replace the ECU.
	Printer motor does not rotate.	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 bin.
		4.	Verify that printer path paper
		sensors are functional.
		5.	Verify that the motor connector
		J1 is seated into J401 of 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.

Document scanner motor does not rotate.

1.Verify that the document scanner motor 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.

148 Troubleshooting EN