Mita PointSource Ai 5555 - Disassembly and Re-Assembly

2 - F - 2
WRITE UNIT
*2: Positioning
Each laser beam is positioned by the compression prism
and the fine adjustment prism.
This is not adjustable in the field.
*3: Combining the laser beams
The two laser beams are output at right angles with respect
to each other. The beam combining prism causes them to
be output in the same direction.
[3] Disassembly and Re-assembly
1. Removing and Re-installing the Write Unit
Caution: Be sure that the power cord has been unplugged
from the power outlet.
Warning:
(1) Do not energize the write unit when it is not in the
correct position.
(2) Do not remove the cover from the write unit other
than to clean the polygon mirror.
If the laser beam gets into your eyes, you may lose
your sight.
(3) DO NOT remove the write unit for at least two
minutes after turning OFF the main switch.
a. Procedure
(1) Remove the glass holder plate, original stopper plate
and platen glass.
(2) Remove the two set screws, then remove the board
cover.
Semiconductor laser 1
Beam combining prism
Semiconductor laser 2
(3) Remove the 11 set screws, then remove the board
protection cover.
Set screw
Set
screws
Set screws
Set screws
Board
protection
cover
Set screws
Board cover
Set screws
WRITE UNIT-1