Description
Fits OKI:
ML-3320 ML-3321
ML-3390 ML3391
ML-5520 ML-5521
If the ribbon is not advancing correctly as the carriage travels across the page, this drive assembly may need replacing. A tell-tale sign is print fading as the carriage moves from left to right, then fading in the opposite direction as the carriage returns from right to left (assuming bidirectional print mode is enabled).