Apple performa 400 series Servicehandbuch

 

 Troubleshooting

Symptom Charts/Peripherals - 11

 

No response to any 

key on keyboard

1 Make sure System is version 7.0.1 (or later) for Macintosh 

Performa 400 or version 7.1 or later for other Performa 

400 Series computers.

2 Check keyboard connection to ADB port.

3 Replace keyboard cable.

4 Replace keyboard.

5 Replace logic board. Retain customer’s SIMMs.

Known-good 

ImageWriter or 

ImageWriter II does 

not print

1 Make sure that Chooser and Control Panel settings are 

correct.

2 Make sure System is version 7.0.1 (or later) for Macintosh 

Performa 400 or version 7.1 or later for other Performa 

400 Series computers.

3 Check printer DIP switches.

4 Replace printer interface cable.

5 Replace logic board. Retain customer’s SIMMs.