Color variation is an inevitable occurrence with any printer. It’s normal to experience minor variation over a period of weeks. Sudden changes beyond normal variation or slow degradation over longer periods of time are reasons to be concerned.
The variation may be a mechanical issue like a clogged print head. It’s also possible a batch of OEM ink may have changed slightly during the manufacturing process. Sometimes the variation can be caused by an environmental variable like humidity or temperature.
We recommend recalibration of the printer to bring the system back into tolerance. Recalibration should be performed by a trained technician equipped with a spectrophotometer. The color variation in the printer should be corrected after the technician has completed the recalibration process.