Operation Of Each Part - Brother HL-L5000D Service Manual

2.3 Operation of Each Part

Part name
Paper pick up roller
Separation roller,
Separation pad
Paper feed actuator
(Paper feed sensor)
Paper empty actuator
(Paper empty sensor)
TT jam actuator
(TT jam sensor)
TT balance sensor L/R
Registration front actuator
(Registration front sensor)
Registration roller
Registration rear actuator
(Registration rear sensor)
Heat film,
Pressure roller
Eject actuator
(Eject sensor)
Eject roller 1
Eject roller 2
Duplex paper feed roller
Front cover sensor
Back cover/duplex tray
sensor
MP paper pick up roller
Feeds paper from the paper tray to the separation roller.
Separates paper fed from the paper tray into single sheets.
Detects paper trays (open / closed).
Detects paper jams in paper trays.
Determines whether paper is fed from the paper tray.
Detects paper in the paper tray.
(Models with 520-sheet LT/TT and HL-5580D/5585D only.)
Detects paper jams in the front section of the tray. (TT only)
Detects if the TT is mounted properly. (TT only)
Detects the front edge of the paper to control the registration
roller drive.
Detects paper jams in the front section of the machine.
Determines whether paper is fed from the paper tray.
Corrects the paper alignment when the paper makes contact
with the stopped registration roller. After the correction, it rotates
to feed the paper to the feeding path.
Detects paper pass and adjusts the writing start position for the
paper.
Detects paper jams in the front or center section of the machine.
Detects the rear edge of the paper to determine the paper size.
Fuses the toner transferred to paper by heat and pressure, and
feeds paper to the eject roller 1.
Determines whether paper is ejected from the fuser unit.
Detects the rear edge of the paper in duplex printing mode to
adjust the turn-over timing of the eject roller 2. Detects paper
jam in the rear section of the machine.
Calculates time to open/close the MX flapper 1, 2 and 3 after the
paper has been fed when ejecting the paper to MX bin.
Feeds the paper ejected from the fuser unit to eject roller 2.
Ejects the paper to the output tray of the machine.
During the duplex printing, the eject roller 2 rotates conversely
and feeds the paper to the duplex tray after the paper has been
fed from the eject roller 2 with the first side printed.
Feeds the paper passing through the duplex tray to the
registration roller.
Detects open front cover.
Detects open / closed back cover or the duplex tray is set.
Feeds paper from the MP tray to the MP separation roller.
2-6
Operation
Confidential