Question about Epson Stylus Pro 4800 InkJet Printer
Epson Stylus Pro 4800, Mac OS 10.5.5, Mac Pro. I get a thin solid cyan line about every 2mm across not only the printed image but also into the white border all the way to the edge of the page. I also get a wide cyan line, as if cyan has filled between 2 of the lines, near one end of the page. The thick line is always at the same location on the page but doesn't appear if the image is located on another portion of the page.
I've cleaned the heads and the test looks good. I'm not sure it is a head cleaning problem. Could it be a software issue?
From your description, it sounds as though you have a faulty main board in the printer. This type of problem is unlikely to be software, but if you want you can try to reload the software. However I doubt it will help.
The unit will require a professional diagnosis to confirm as it will needed to be tested on a test pc in a registered service centre.
There is a slight chance it is the printhead, but I have my doubts about that also.
Posted on Dec 13, 2008
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