Apple G4 manual

	Troubleshooting	Symptom Charts/ USB Devices - 61
USB printer does not		1 Verify that connections to the printer and computer are
operate		secure.

2Switch the printer to a different USB port. If the printer operates correctly, the first port was bad. Replace the logic board. Note: You can also use Apple System Profiler to verify USB ports.

3Verify the correct versions of the system software and printer driver are installed.

4Mac OS X: Use Print Center to verify that you have the

correct printer selected. Mac OS 9: Use Chooser to verify that you have the correct printer selected.

5If the printer is connected to a third-party USB hub, switch it to one of the USB ports on the I/O panel. If the printer operates, the hub is bad.

6Mac OS 9: Turn off unnecessary extensions.

7De-install and then re-install the print driver.

8Replace the printer interface cable.

9Replace the printer.

10Replace the logic board.