Canon Community

kidziti · 08-15-2022

We have an MF644CDW and for some time the printer has indicated the black cartridge is empty. Knowing that - unlike inkjets - running a laser on an empty cartridge will not hurt the printer, we decided to print whatever black pages may be left. That ...

kidziti · 04-05-2021

It is hard to explain this failure mode on my new Canon ImageClass, but when I select color copy using the default settings, it is as if a white picket-fence template has been placed over the image. Selecting B&W from the same Copy menu - again all d...

kidziti · 04-06-2021

When I look at the corner of the check, there are a series of yellow dots. Apparently those are the details in the check that the scanner reads as a "do not copy" item. Googling around, it seems that checks without those yellow dots are scannable. In...

kidziti · 04-06-2021

Well - how interesting. It is similar when I scan it, except that the pattern flows horizontally instead of vertically. While I have no interest in copying parchment currency, the item in question was a check - something I often copy or scan before s...

kidziti · 04-06-2021

That would be an interesting issue if it turns out to be the case. The image was of a check. So far, it seems to just have been this image. I did a color copy of a magazine cover and it was fine. I will see what happens if I try to copy a dollar bill...

Canon Community

User Statistics

User Activity

ImageClass MF644CDW - when black runs out, do colors mix to make black?

Strange picket fence pattern on color copies with new MF644CDW

Re: Strange picket fence pattern on color copies with new MF644CDW

Re: Strange picket fence pattern on color copies with new MF644CDW

Re: Strange picket fence pattern on color copies with new MF644CDW