A number of issues can lead to dull, dimmed, discolouration or blotches on projected images. The discoloration may leave the machine with yellow color, pink or green colour. Causative factors are namely; \tDamaged lens either due to accumulation of dust inside the lens assembly \tDamaged lens due to wear and tear \tBurnt to one or more of the LCD panels. \tBurnt of Collimating Lens and Polarizer \tBurnt of Condenser Lens and DMD Board. \tDots or spots on projected images Lenses are sealed devices and once they fail, they have to be replaced. Also LCD panels assembly can be replaced whole\u00a0 or by individual segment where possible. 12 months warranty on parts and labour No fix \u2013 no fee.There is no charge if we cannot repair your machine. Local Drop-off point Nationwide Insured Pick-up and delivery in The UK and Ireland.