Toshiba e-Studio160 服务手册

e-STUDIO160/200/250  TROUBLESHOOTING

4 - 56

December 2002 TOSHIBA TEC

4.1.19  Printer related service call

F21

Printer PWA memory error

1. Check if the printer PWA is firmly connected to the main PWA (CN5).

2. Check if the connector pin is removed.

3. Check if any conductor pattern on the main PWA is open- or short-circuited.

4. Replace the main PWA

F22

Printer PWA NV-RAM error

Replace the Printer PWA.

4.1.20  Fax related service call

F31

Modem IC abnormality

1. Check if the Fax PWA is firmly connected to the main PWA (CN6).

2. Check if the connector pin is removed.

3. Check if any conductor pattern on the Fax and main PWA is open- or short-circuited.

4. Replace the Fax PWA.

5. Replace the main PWA