Maintenance
CP42LH Service Manual
77
020-101686-03 Rev. 1 (08-2016)
• Optical grade cotton swabs with wooden stems
• Sticklers Fiber Optic Cleaner (can be used on all optical components)
• A bright, portable illumination device such as an LED flashlight
Remove dust from the projection lens
1. Brush most of the dust off with a camel-hair brush or use a dust-free blower.
2. Fold a microfiber cloth and wipe the remaining dust particles off the lens with the smooth
portion of the cloth that has no folds or creases. Do not apply finger pressure. Instead, use the
tension in the folded cloth to remove the dust.
3. If significant dust remains on the lens surface, dampen a clean microfiber cloth with lens
cleaning solution and wipe gently until clean.
Remove fingerprints, smudges, or oil from the projection lens
1. Brush most of the dust off with a camelhair brush or use a dust-free blower.
2. Wrap a lens tissue around a swab and soak it in lens cleaning solution.
The tissue should be damp but not dripping.
3. Gently wipe the surface using a figure eight motion.
4. Repeat until the blemish is removed.
Inspect and clean the fiber optic cable
Recommended service kit
• Techspray 1671-10S Ultra-Pure Duster
• Kapton tape
• Optipop R cassette style fiber optic connector cleaner
• 99.9% isopropyl alcohol
• TEC2313-30 double-tipped pointed cotton stick
• Powder free Nitrile gloves
• Mitsubishi fiber input inspection microscope (50x magnification)
Beam stop must be in the closed position. Failure to comply could result in death or serious
injury.
• Secure the tethered protective end cap to the threaded hole in the base of the projector
whenever the fiber optic cable is disconnected. Failure to comply may result in equipment
damage.
• When handling optical fibres, wear powder free Nitrile gloves.
