Brother DCP-L8400CDN Service Manual page 40

Part name
T2 separation roller,
T2 separation pad
T2 paper feed actuator
(T2 paper feed sensor)
Paper eject origin sensor
Document pick-up roller
Document separate roller,
ADF separation pad
Document detection actuator
（Document detection sensor ）
First side/Second side
document scanning position
actuator
（Document scanning position
sensor ）
Document ejection roller
ADF cover sensor
Separates the paper fed from T2 paper tray unit into single
sheets.
Detect whether or not the T2 paper tray unit is installed
(open or closed). Detect the paper jam of front part.
Detect the eject/reverse position state of the gear of the
paper eject ASSY.
Feed the documents from ADF document support to the
scanning part.
Separates the documents fed from ADF document support
into single sheets.
Detect whether documents are set in the ADF.
Detect the scanning start position of the first and second
sides. Detect paper jam in the ADF.
Feed the documents to the document cover.
Detect whether the ADF cover is opened or closed.
2-10
Operation
Confidential