HP 3150 EN - Manual (Page 150)

148 Troubleshooting EN
Basic troubleshooting
Verification steps Possible problems Solutions
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.
No power.
Printer motor does not rotate.
Document scanner motor does not
rotate.
1. Verify that the product is
plugged in.
2. Verify that the power cable is
functional.
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 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.
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.