Question about Office Equipment & Supplies
The laser units mirrors in the IR5000/6000 series are more appt to movement from a move than most. What happens is as the mirrors move, the projection of the beam moves and just barely shines on part of the molded plastic frame. This accounts for the darker copy when potential is off. The lightness in the center is probably caused by the primary corona's not having enough tension. Before replacing the laser make a few adjustments. Adjust the laser PVE-OFST from +6 to +40. This helps with the lightness in the center. Then increase the developer bias from 180v to 210 volts. This will help get the copy quality back. Another reason for the light copy was the target was using for a black copy through the scanner. After replacing the laser go back over the adjustments and re-adjust them down closer to the label. Run forced potential control a couple of times, and you should get no codes. You are done. The new laser will gave you better quality half tones and solids.
Posted on May 17, 2011
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Posted on Jan 02, 2017
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