Signal name Name Function and operation
1TUD_K Primary transfer belt position sensor (BK) Detects the primary transfer belt position (BK) in combination with the 1TUD_K output.
1TUD_CL Primary transfer belt position sensor (CL) Detects the primary transfer belt position (CL) in combination with the 1TUD_CL output.
1TURCd Primary transfer mode select clutch Transports the developing motor (K) power to the primary transfer mode select cam to select the
primary transfer mode. (The primary transfer mode select cam is rotated counterclockwise.)
2TC Secondary transfer output Secondary transfer high voltage output
DM Developing drive motor (K) Drives the developing/black OPC drum (BK)/transfer section.
No. Name Function and operation
1 Secondary transfer roller Transfers toner images on the transfer belt to paper. Connected to GND to flow the secondary
transfer high current.
2 Paper separation electrode Applies a high negative voltage to discharge paper which is positively charged after transfer
operation.
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