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e-STUDIO160/200/250 TROUBLESHOOTING 4 - 20 December 2002 TOSHIBA TEC
E43 ADU is opened during copying
Is the ADU mounted securely on the copier?
Mount the ADU securely to the copier.
Is the ADU cover open switch working? (using the test mode 04, Sensor Test, DATA No. 19 Bit 3)
1. Check if each connector between the ADU cover open switch and the ADU
PWA (CN217) 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 cover open switch.
7. Replace the ADU PWA.
8. Replace the PFC PWA.
9. Replace the relay PWA.
10.Replace the main PWA.
Check to see if the ADU cover open switch is properly attached.
NO
YES
NO
YES