AcuLaser C2800/C2800D/C3800/C3800D Revision C
OPERATING PRINCIPLES Main Structures and Functions 58
Confidential
2.5.10.4 Part Names and Functions (Feeder)
SWITCH ASSY SIZE
Detects paper size and the presence of the paper tray.
(Refer to “2.7.1 Paper Size Control (p60) ”.)
SENSOR PHOTO (CST No Paper Sensor)
Detects presence of papers in the paper cassette according to the change in
position of the ACTUATOR NO PAPER.
(No paper state: Shielding the sensor)
CLUTCH ASSY FEED OPT
Transmits the drive from DRIVE ASSY OPTION FEEDER to ROLL ASSY
FEED (PICK UP ASSY). (Refer to “2.8.5 DRIVE ASSY OPT FDR (p72) ”.)
ROLL ASSY FEED
When CLUTCH ASSY PH FEED operates, ROLL ASSY FEED (Feed Roll and
Nudger Roll) starts to rotate and transfers papers.
(Refer to “2.8.5 DRIVE ASSY OPT FDR (p72) ”.)
CLUTCH ASSY TURN OPT
Transmits drive force from DRIVE ASSY OPT FDR to ROLL ASSY TURN.
ROLL ASSY TURN
ROLL ASSY TURN is rotated by DRIVE ASSY OPTION FEEDER via
CLUTCH ASSY TURN, and transfers paper from paper cassette to printer.
DRIVE ASSY OPT FDR
Drives rollers of 550 Paper Feeder.
(Refer to “2.8.5 DRIVE ASSY OPT FDR (p72) ”.)
PWBA OPT FDR
Controls motor, sensor, and clutch.
Figure 2-37. Feeder (550 Paper Feeder)
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