Section 12: Engraving Machine Maintenance
159
thoroughly with the solvent, and then blot it against a piece of cotton so that it is no
longer soaking-wet. Then gently move the swab or paper across the optic, until the
optic is free of visible contamination. Avoid any hard "scrubbing" of the surface,
especially while there are visible particles on it, and try not to use repetitive circular
motions. When you are done, be careful to remove any cotton threads that may have
snagged on the mountings, and allow the optics to dry before you operate your
engraver.
Laser Tube
The laser tube used in the Legend does have a maximum service life. Depending on
your particular usage, the tube should be good for a very long time. The tubes can be
refurbished and are available on an exchange basis. Contact Epilog Technical
Support for details.
Auto Focus Plunger
The auto focus plunger, as shown at the right,
is mounted at the back of the carriage that
holds the focus lens. It is about a quarter
inch in diameter, and about two inches long.
The bottom shaft needs to be periodically
cleaned for accurate focusing. Use a cotton
rag and some mild household cleaner
(Windex, 409 or isopropyl alcohol). Gently
wipe the plunger until it is clean.
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