3M
™
Multimedia Projector MP7770
Machine Overview
2002, 3M IPC.
1-1
1. Machine Overview
1-1. Overview
Make advanced adjustments to this projector in a clean environment with minimal dust and positive pressure.
This section provides the advanced adjustment procedures needed to maintain a high quality projection image.
There is a specific order that adjustments are to be made and specific tools needed to complete each adjustment.
Important
Only complete advanced adjustments to a projector
when the machine settings fall outside of the
allowable tolerances for that adjustment or when
instructed to do so by another procedure.
1-2. Machine
Identification
To avoid incorrect adjustments or part replacements, verify the model and version of the projector prior to
making any adjustments or repairs.
Different versions have unique adjustment requirements. The serial number for the projector is located on the
machine identification label on the bottom of the projector.
1-3. Cleaning
When cleaning any components of the light engine, extreme care must be taken. Use only soft, dry, clean,
Chamois Swabs (Part number 78-8118-3302-5) to clean reflective surfaces. No chemicals should be used on any
surface.
Important
Use extreme care when cleaning any optics
device. Special coatings can be scratched very
easily.
