Apple performa 400 series 서비스 매뉴얼
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.