I have a Sharp MX-3110N with an issue where after a few copies the yellow and magenta seem to over tone and the color shifts progressively. The main Charges for the yellow and magenta drums begin to fail. We have tried changing drums and cleaning up the slopped toner and recalibrated using the jig for the transfer and all the proper calibration adjustment including 44-2 44-13 50-22 44-6 46-24 and 67-24 within less than 5 prints it's color's shift quite noticably. I'm wondering if I don't have an issue with the transfer units. What do you guys think?
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Re: MX-3110N Failing to keep Calibration
Try running a halftone calibration 44-27 followed by a full calibration 46-74.
What kind of volume has this machine done? Anything replaced recently?
What kind of colour shifts? Is it just going out of phase? Have you tried 50-22? Can you upload a sample? Have you inspected the primary transfer belt drive gear?Cthulhu for president! Why settle for the lesser evil? -
Re: MX-3110N Failing to keep Calibration
After calibration, run 63-8 and 67-28 to lock in the targets.
As mentioned above, if the alignment of the colors are moving, run 50-22.
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Re: MX-3110N Failing to keep Calibration
We think we figured out the problem - the customer is running 11x17 prints full color and the toner build up in the magenta and yellow charge units was towards the rear of the machine and causing the developer to be pulled from the dv units and found it all in the waste toner. The magenta was so low in DV that it was barely covering the mag roller. We put new drums and maintenace kits in and replaced the color dv. Will wait a week and check the waste toner for spillage again. Thanks for your replys on this thread.
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