2-6
Confidential
2.3 Operation of Each Part
Part name Operation
Paper pick up roller Feeds paper from the paper tray to the separation roller.
Separation roller,
Separation pad
Separates paper fed from the paper tray into single sheets.
Paper feed actuator
(Paper feed sensor)
Detects paper trays (open / closed).
Detects paper jams in paper trays.
Determines whether paper is fed from the paper tray.
Paper empty actuator
(Paper empty sensor)
Detects paper in the paper tray.
(Models with 520-sheet LT/TT and HL-5580D/5585D only.)
TT jam actuator
(TT jam sensor)
Detects paper jams in the front section of the tray. (TT only)
TT balance sensor L/R Detects if the TT is mounted properly. (TT only)
Registration front actuator
(Registration front sensor)
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.
Registration roller 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.
Registration rear actuator
(Registration rear sensor)
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.
Heat film,
Pressure roller
Fuses the toner transferred to paper by heat and pressure, and
feeds paper to the eject roller 1.
Eject actuator
(Eject sensor)
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.
Eject roller 1 Feeds the paper ejected from the fuser unit to eject roller 2.
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.
Duplex paper feed roller Feeds the paper passing through the duplex tray to the
registration roller.
Front cover sensor Detects open front cover.
Back cover/duplex tray
sensor
Detects open / closed back cover or the duplex tray is set.
MP paper pick up roller Feeds paper from the MP tray to the MP separation roller.
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General
Weight and Dimensions
