2-12
Confidential
2.3 Operation of Each Part and Location of Parts
Part name Operation
Paper pick up roller
Feeds the paper to the separation roller from the paper tray.
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.
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 process.
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 roller,
Pressure roller
Fuses the toner transferred to paper by heat and pressure,
and feeds paper to the eject roller 1.
Eject actuator
(Eject sensor)
Detect whether or not paper is ejected from the fuser unit.
In the case of the 2-sided printing, detect the rear edge of
paper and adjust the timing of the eject roller 2 switching.
Detects paper jam in the rear section of the machine.
Detects open fuser cover.
Eject roller 1 Feeds the paper ejected from the fuser unit to eject roller 2.
Eject roller 2 Eject the paper to the face-down output tray. In the case of
the 2-sided printing, after the front of the sheet is printed
and the paper is fed up to a certain point, eject roller 2
rotates conversely, and the paper is fed to the duplex tray.
Duplex paper feed roller Feeds the paper passing through the duplex tray to the
registration roller.
Back cover/duplex tray sensor Detects open / closed back cover or the duplex tray is set.
Front cover sensor Detects open / closed front cover.
Paper empty actuator Detects the paper in the paper tray 1.
Detects paper jams in the paper tray 1.
MP paper pick-up roller Feeds paper from the MP tray to the MP separation roller.
MP separation roller,
MP separation pad
Separates the paper fed from the MP tray into single
sheets.
MP paper empty actuator
(MP paper empty sensor)
Detects the paper in the MP tray.
Detects paper jams in the MP tray.
Document pick-up roller Feeds document from the document tray.
Document separate roller,
ADF separation pad
Separates the document fed from the document tray into
single sheets.
Document detection actuator
(Document detection sensor)
Detects whether a document is set in the ADF.
Document scanning position
actuator
(Document scanning position
sensor)
Detects the document scanning start position.
Detects a document jam in the ADF.
Document eject roller Feeds the document to the output tray.
ADF cover sensor Detects open / closed ADF cover.
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