imagePROGRAF iPF785 Blurry lines/Font

[kheld]

I'm printing some engineering drawings and many of my lines/text are blurry, almost like they are printing a second time overtime of themselves. I've tried printing from both AutoCAD itself and from a PDF (the PDF looks fine on screen). I've tried printing other drawings and am finding the same issue that wasn't there before. On the printer side of things, I've tried the following:

• Replaced Ink
• Ran "Clean Printhead A" and "Clean Printhead B"
• Nozzle clean and Nozzle check
• Alignment check
• The print head height is set to Automatic
• The correct type of paper is selected

Any thoughts on why we are having this issue? It always seems to be the same areas of the drawing that are blurry, even on multiple prints.

[LinePro]

Thank you for posting this.  We are currently having the same issue with our ipf785.  We print survey plans, often including color, the color lines still look fine but anything in black/matte black is printing just as you described above.  I have tried all of the same steps you have tried above to correct, and I have also replaced the printhead, with no luck as of yet finding a solution.  I hope someone can figure this out.

[kheld]

So... strangely enough, after trying all of these things while on the phone with Canon Tech Support, it still wasn't working. Then I tried one more time after restarting the whole system and, POOF! it was largely back to normal. Sorry I can't give you an answer as to what fixed it.

[JohnBeard]

It sounds like a frustrating issue! Have you checked if the printhead needs manual realignment? Sometimes, even with automatic settings, small misalignments can persist. Also, consider updating or reinstalling the printer driver, as corrupted drivers can cause print issues. By the way, after troubleshooting, I recommend unwinding with a quick game like Snow Rider 3D—it’s an awesome stress reliever! Hope you get your prints sharp again soon!