Apple powermac g3 blue.white 服务手册

 Troubleshooting

Symptom Charts/Input Device Problems - 57

4 Replace keyboard.

5 Replace logic board. 

Known-good USB 

printer does not work

1 Verify you have correct version of system software and 

printer driver installed.

2 Open the Chooser and verify that you have the correct printer 

selected.

3 If 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 

works now, you have a bad third-party USB hub.

4 Turn off unnecessary Extensions and try again.

5 Perform clean install of system software and print driver.

6 Replace printer interface cable.

7 Replace the printer.

Known-good network 

printer does not print

1 Check network connections.

2 Verify you have correct version of system software and 

printer driver installed.