Toshiba e-studio166 Service Handbook page 169

[E44] PFU cover opened during printing
Is the PFU cover open?
YES
NO
Is the PFU cover opening/closing switch working?
(Perform the input check in the test mode: 03-[INTERRUPT]OFF/[9]/[2])
l NO
l
l
l
l
l
l
l
YES
Replace the MAIN board.
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Remove the paper if there is any, then close the cover.
1) Check if the connector of the PFU cover opening/closing switch is
disconnected.
2) Check if the connector CN4 on the MAIN board is disconnected.
3) Check if the connector pins are disconnected and the harnesses are
open circuited.
4) Check if the conductor pattern on the MAIN board is short circuited or
open circuited.
5) Replace the PFU cover opening/closing switch.
6) Replace the MAIN board.
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TROUBLESHOOTING
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