Read Sharp AL-1611 (serv.man13) Service Manual online
AL-1611/AL-1622
DISASSEMBLY AND ASSEMBLY
11 – 2
2. OPTICAL SECTION
A. Table glass
B. Copy lamp unit
C. Copy lamp
D. Lens unit
Note: Do not remove screws which are not indicated in the figure. If the
height of the base plate is changed, it cannot be adjusted in the
market.
Lens unit attachment reference
No.
Content
A
Table glass
B
Copy lamp unit
C
Copy lamp
D
Lens unit
Disassembly: Be sure to put No. 2/3 mirror unit to the positioning plate (A).
Assembly:
Put the notched surface of wire holder (3) downward, tighten
temporarily, and install.
Adjustment:
Main scanning direction distortion balance adjustment
( 1 )
( 1 )
( 2 )
( 3 )
( 3 )
( 4 )
( 2 )
( 3 )
( 2 )
( 3 )
( 1 )
( A )
( A )
( 4 )
( 4 )
( 5 )
( 6 )
( 4 )
( 5 )
Attach the lens unit so that the lens unit number on the lens adjust-
ment plate is aligned with the scribe line on the base plate.
Example:Lens unit number -2.8 Attach the lens unit at 2 scales in the
paper exit direction from the reference line.
Note: Never touch the other screws than the unit attachment screw.
The lens unit is supplied only in a whole unit.
( 3 )
( 1 )
( 1 )
( 2 )
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