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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