Canon PC-D340 - Page 117

PC-D320/PC-D340/FAX-L400 Chapter 4: Maintenance and Service
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Recording paper sensor fails to operate properly.
(1) Check whether the actuator of recording paper sensor is in correct position.
(2) Check the connection between the SCNT board (J514) and the ECNT board (J201).
(3) Replace the ECNT board.
(4) Replace the SCNT board.
Cartridge cover sensor fails to operate properly.
(1) Check whether the actuator of cartridge cover sensor is in correct position.
(2) Check the connection between the SCNT board (J514) and the ECNT board (J201).
(3) Replace the ECNT board.
(4) Replace the SCNT board.