AcuLaser C2800/C2800D/C3800/C3800D Revision C
OPERATING PRINCIPLES      Main Structures and Functions 56
Confidential
2.5.10  550 Paper Feeder
2.5.10.1  Part Names and Functions (Paper Cassette)
 GUIDE ASSY SIDE (R/L) 
The GUIDE ASSY SIDE (R/L) moves crossways of the paper feed direction, and 
trues up the left and right edges of sheets of paper.
 GUIDE ASSY CST END 
The GUIDE ASSY CST END moves parallel to the paper feed direction, and 
determines the paper size. The SWITCH ASSY SIZE turns on/off depending on 
the position of the GUIDE ASSY CST END (2.7.1  Paper Size Control (p60)), and 
detects the paper size.
 ROLL ASSY FEED (Retard Roll) 
ROLL ASSY FEED (Retard Roll) and ROLL ASSY FEED (Feed Roll) nip a 
paper to prevent multi-feeding.
 PLATE ASSY BTM (Bottom Plate) 
Bottom Plate is locked to the bottom of the main unit when the paper cassette is 
removed, and its lock is released when the paper cassette is installed. Bottom plate 
presses paper against the Nudger Roll by spring pressure.
Figure 2-34.  Paper Cassette (550 Paper Feeder)