Brother International MFC 8890DW Service Manual - Page 56
Duplex printing, The duplex printing prints the 1st after printing the 2nd first.
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3.3.5 Duplex printing After the paper exits from the eject roller ASSY with the front of sheet printed, the eject roller ASSY rotates conversely and feeds the paper to the DX unit, where the paper skew is adjusted. Afterwards, the paper is ejected from the DX unit to the path through the regist roller and the transfer roller to the transfer block in the drum unit again for process of printing on the back of sheet. Eject roller ASSY 2 Back cover Rear chute ASSY Heat roller Exposure drum Pinch roller Eject roller ASSY 1 Pressure roller Duplex unit Transfer roller Regist actuator rear Fig. 2-18 Regist actuator front Regist roller Note : • The duplex printing prints the 1st page after printing the 2nd page first. For example, when prints the four pages, prints in order to 2nd page to 1st page to 4th page to 3rd page. 2-18 Confidential
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