Toshiba e-STUDIO160 Service Handbook page 128

YES
Is the ADU paper jam sensor (Upper) working? (using the test mode 04, Sensor Test, DATA No.
19 Bit 2)
NO
YES
Is the ADU paper jam sensor (Lower) working? (using the test mode 04, Sensor Test, DATA No.
19 Bit 1)
NO
YES
Check to see if there are any foreign obstacles on the paper path in the ADU.
e-STUDIO160/200/250 TROUBLESHOOTING
1. Check if each connector between the ADU paper jam sensor (upper) and the
ADU PWA (CN214) is disconnected.
2. Check if each connector between the ADU PWA (CN211) and the PFC PWA
(CN203) is disconnected.
3. Check if each connector between the PFC PWA (CN201) and the relay PWA
(CN36) is disconnected.
4. Check if each connector pin is removed or the harness is broken.
5. Check if any conductor pattern on the ADU, PFC, relay and main PWA is open-
or short-circuited.
6. Replace the ADU paper jam sensor (Upper).
7. Replace the ADU PWA.
8. Replace the PFC PWA.
9. Replace the relay PWA.
10.Replace the main PWA.
1. Check if each connector between the ADU paper jam sensor (lower) and the
ADU PWA (CN213) is disconnected.
2. Check if each connector between the ADU PWA (CN211) and the PFC PWA
(CN203) is disconnected.
3. Check if each connector between the PFC PWA (CN201) and the relay PWA
(CN36) is disconnected.
4. Check if each connector pin is removed or the harness is broken.
5. Check if any conductor pattern on the ADU, PFC, relay and main PWA is open-
or short-circuited.
6. Replace the ADU paper jam sensor (Lower).
7. Replace the ADU PWA.
8. Replace the PFC PWA.
9. Replace the relay PWA.
10.Replace the main PWA.
4 - 6 December 2002 TOSHIBA TEC