Operation Of Each Part - Brother 09055CDN Service Manual

2.3

Operation of Each Part

■ Printer part
Part name
T1 paper pick-up roller
T1 separation roller,
T1 separation pad
T1 paper edge actuator
Registration front actuator
Registration roller
Registration rear actuator
Belt unit
Heat roller, Pressure roller
Paper eject actuator
Paper eject roller 1
Paper eject roller 2
Paper eject roller 3
DX feed roller
MP paper pick-up roller
MP separation roller,
MP separation pad
MP paper empty actuator
MP registration front
actuator
Feed the paper from the paper tray 1.
Separate into single sheet from the paper tray 1.
Detect whether or not the paper tray 1 is installed.
Detect whether or not paper is loaded.
Detect the paper jam of front part.
Detect the front edge of paper and control the drive of the
registration roller.
Detect the paper jam of front part.
When the front edge of the paper hit the stopped
registration roller and the inclination of the paper is
corrected.
After correction is made, the registration roller rotates to feed
the paper to the belt unit.
Detect the passage of paper and adjust the starting
position for writing on a sheet of paper.
Detect the paper jam of center part.
Detect the rear edge of paper and identify the paper size.
Feed the paper to the drum unit for each color and transfer
toner on the paper.
Fuse and fix the toner transferred on paper by heat and
pressure, and feed the paper to the paper eject roller 1.
Detect whether or not paper is ejected from the fuser unit.
In the case of the duplex printing, detect the rear edge of
paper and adjust the timing of the paper eject roller 2 and 3
switching.
Feed the paper ejected from the fuser unit to the paper eject
roller 2.
Feed the paper to the paper eject roller 3.
In the case of the duplex printing, after the paper is fed from
the eject roller 3 up to a certain point with the front of the sheet
printed, the eject roller 3 rotates conversely and feeds the
paper to the duplex tray.
Eject the paper to the face-down output tray.
In the case of the duplex printing, after the paper is fed from
the eject roller 3 up to a certain point with the front of the sheet
printed, the eject roller 3 rotates conversely and feeds the
paper to the duplex tray.
Feed the paper passed in the duplex tray to the registration
roller.
Feed the paper from the MP tray.
Separate into single sheet from the MP tray.
Detect whether paper is loaded in the MP tray.
Detect the front edge of paper from MP tray and control the
drive of the registration roller.
Detect the paper jam of MP part.
2-10
Operation
Confidential