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December 2002 TOSHIBA TEC 4 - 3 e-STUDIO160/200/250 TROUBLESHOOTING
Near the exit unit (ADU is not installed)
Is the exit roller of the exit unit driven when the main motor is manually rotated clockwise?
Check to see if there are any foreign obstacles on the paper path in the exit
unit.
1. Check to see if the gear in the exit unit is damaged.
2. Check to see if each gear of the main drive gear assembly is damaged.
Near the exit unit (ADU is installed)
Do the gears of the drive gear assembly rotate when the ADU motor (Upper) is driven in
the forward direction? (using test mode 10, Output Test, CODE 223)
1. Check if the gears of the drive gear assembly are damaged.
2. Check if the connector of the ADU motor (upper) is disconnected.
3. Check if each connector between the ADU PWA and the PFC PWA is
disconnected.
4. Check if each connector between the PFC PWA and the relay PWA is
disconnected.
5. Check if each connector pin is removed or the harness is broken.
6. Check if any conductor pattern on the ADU, PFC, relay and main PWA
is open- or short-circuited.
7. Replace the ADU motor (Upper).
8. Replace the ADU PWA.
9. Replace the PFC PWA.
10. Replace the relay PWA.
11. Replace the main PWA.
NO
YES
NO