HL-5130/5140/5150D/5170DN SERVICE MANUAL
3-23
2.2.4
Duplex printing (HL-5150D/5170DN only)
After the paper exits from the second eject roller with the front of sheet printed, the second
eject roller rotates conversely and feeds the paper to the duplex tray, where the paper skew is
adjusted.
Afterwards, the paper is ejected from the duplex tray to the path through the paper feed roller
and the transfer roller to the transfer block in the drum unit again for process of printing on the
back of sheet.
Fig 3-35
Second eject roller
Hear roller
Photosensitive drum
Paper feed pinch
roller
Regist front sensor lever
Regist rear
sensor lever Paper feed roller
Transfer roller
Duplex tray
Pressure roller
First eject roller
Paper guide
Paper outer guide
Rear cover
Second eject roller