Field Service Manual December 2003
Page 197 of 276
Doublet
Doublet F20 for SilverWriter optics so that you have a distance of 20 mm
between drum and doublet with "calibration part".
Check the TC-position: for a basic resolution of 4000 ppi 20 mm before
the doublet. If the position not correct, move M3 and M4 until the
position of TC is correct.
Check if there are any spheres around the spots.
If you have tails at the spots: check if spots go through the center of
the doublet and check if TC-stop is correct.
Checking the mechanical stability of the laser path
To make sure that all the optical components on the plate are fixed,
execute a little tap on all the holders of the optical components and
check if the position of the beams is not influenced.
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