Epson EB-E01, Service Manual, Page: 51 / 190

EB-E01 series Troubleshooting INTERNAL USE ONLY
SEIKO EPSON 51 Revision A
2.5.4 Troubleshooting on image abnormality
The following tables present this projector’s possible troubles in image quality, and provides probable causes and troubleshooting procedures based on the observed
phenomena.
ILLUMINATION REDUCTION
COLOR NON-UNIFORMITY
Phenomenon Cause Remedy Reference
The projected image became darker.
Some optical parts might mist for some
reasons.
Clean the parts with a cotton swab or
the like moistened with ethanol.
Optical Engine Repair Service Manual
Phenomenon Cause Remedy Reference
Color non-uniformity can be seen partially in
the projected image.

Some optical parts may become
deteriorated.

Some optical parts may be broken.
Replace the deteriorated or broken
parts with new ones.
Optical Engine Repair Service Manual