Sharp MX-4100N Service Manual page 469

: Oct. 24 2008
1
(Writing position on paper)
LD2 LD1 LD2
LD1 LD2
(On the polygon motor)
Model Number of
mirror surface
MX-4100/4101 7 surfaces
C. Outline of LSU specifications
Effective scan width : 307mm
Resolution: 1200dpi
Beam diameter: Main scan = 50 to 65µm, Sub scan = 60 to 75µm
Laser power: Max. 0.255mW
LD wavelength: 770 to 795nm
3. Disassembly and assembly
Do not disassemble the LSU unit. If it is unavoidable to disassem-
ble and repair the LSU unit, strictly observe the following proce-
dures described below and never perform the other procedures. If
this precaution is violated, the safety is not assured.
A. LSU
a
a Polygon motor
Paper exit direction
Rear
Scanning
direction
LD1
LD2 LD1
Front
Rotating Bearing Remarks
speed
44544rpm AIR
Parts
MX-5001N LSU SECTION H – 3
1) Remove the left cabinet rear lower and the left cabinet. [Refer
to "Left cabinet lower, left cabinet" in "External view."]
2) Open the front cabinet, and remove the waste toner box.
(For U.S.A. 50-sheet machine only)
1
Remove the power switch cover.
For U.S.A. 50-sheet machine only
3
3) Remove the LSU left plate PA.
1
2
4
3