esto es lo que te marca el manual de servicio checa que la tira blanca del cristal de exposicion no este dañada si lo esta cambiala tiene puesto el cristal??? suerte A100 (C100) Exposure lamp problem • Check the CCD input value for the lighting status of the exposure lamp 100 ms after the exposure lamp is lit and the carriage is moved to the shading position. If the exposure lamp does not light, turn off the lamp. After 500 ms, light the lamp again and, a further 500 ms later, check the CCD input. The exposure lamp does not light after 5 retries.