2-7
Confidential
2.3 Operation of Each Part and Location of Parts
Part name Operation
T1 separation roller,
T1 separation pad ASSY
Separates paper fed from the T1 into single sheets.
T1 paper feed actuator
(T1 paper feed sensor)
Detects the T1 (open / closed).
Detects paper jams in the T1.
Determines whether paper is fed from the T1.
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 T1.
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 belt unit.
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.
Belt unit Feeds the paper to the drum unit and transfers toner on
the paper.
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)/
Fuser cover actuator
(Fuser cover sensor)
Detects whether or not paper is ejected from the fuser unit.
In the case of the 2-sided printing, detects the rear edge of
paper and adjusts the timing of the eject roller 2 and 3
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 Feeds the paper to the eject roller 3. In the case of the 2-
sided printing, after the front of the sheet is printed and the
paper is fed to the eject roller 3 up to a certain point, the
eject roller 2 rotates conversely and feeds the paper fed
from the eject roller 3 to the duplex tray.
Eject roller 3
Ejects 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, the eject roller 3
rotates conversely, and the paper is fed to the eject roller 2.
Duplex paper feed roller Feeds the paper passing through the duplex tray to the
registration roller
Belt cleaning roller Feeds the collected waste toner to the belt unit.
Top cover sensor Detects open / closed top cover.
Back cover sensor Detects open / closed back cover.
Registration mark sensor L/R Checks a phase of each color.
Develop release sensor Detects the develop roller is separated from the exposure
drum.
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General
Weight and Dimensions
