Question about Konica Minolta Office Equipment & Supplies
How to solve p9 p21 problam
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Posted on Jan 02, 2017
The p error codes you have are due to the test pattern being put on to the transfer belt to check the image density control
The first thig to do is to check and see the condition of the transfer belt and if it has reached life or looks bad replace it also on taking out the transfer belt directly where it goes in there is a cover slide the cover and clean out the idc sensors imgae density control sensors
Also there is firmware to correct the issue do this last the above will get rid of your issuesAlso add toner to all the units manually add the toner as well
Posted on Feb 12, 2011
hi piz Error code P9 and P21 appears on screen and when printing or photocopying using color black, blank copies are outputed
Posted on Oct 02, 2012
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