Question about Canon imageCLASS MF6530 Monochrome Laser Copier/Printer
My church recently began renting a Kyocera copier (Model KM 5050) and almost immediately ran into problems when printing the church newsletter. For the first time in the history of producing our newsletter we were able to network from an office computer and print the pages directly to the new copier, rather than using our old method of making inkjet prints of each individual page, laying them on the copier glass in pairs and copying each page spread in order to make our 12-14 page newsletter. The print quality has improved dramatically now that we are networked to the new copier, but several problems have developed.
As the 11x17 page spreads come out of the copier, folded corners began appearing on the lower left-hand side of almost ever page spread. At the same time, on the opposite side of the same page spreads there began to appear a thin white streak, where it looked like there was no image being printed. Both of these problems began during our first attempt at printing our newsletter, but only after about the first 200 copies had been printed (in a 550 copy run).
I was there during that first print run and when clearing a paper jam I noticed a build-up of toner on one of the little plastic fins that are positioned just above one of the rollers inside the Duplex unit (as you open the Duplex unit panel door on the left side of the machine, the roller and the plastic fins are near the top of the inside of the panel door). I chipped away the excess toner that had built up on the plastic fin with my fingernail. Immediately after that the two problems (the folded corners and the white streak) went away, but only for awhile. The problems would re-occur about every 15-20 minutes and each time I would chip off the toner build up from the same area and the problem would go away for another 15 minutes or so. We had the copier technician come in to look at the machine, but he couldn’t find anything wrong.
Last month when we printed the Feb. issue of our newsletter the same problems occurred. The technician was called in again and this time he concluded that our newsletter design was causing the problem. Our design uses a bold reversed out black band, with a small amount of white text, along the top of most all of the pages for our page headings. It’s a design we’ve been using for 4 of 5 years now, and with our old copier we didn’t have any of the current problems. The bottom area of the black bands does line up with the plastic fin where the toner build-up has been occurring. There is also a thinner black band along the bottom of almost all of the pages, but there is no corresponding toner build-up on the plastic fins in that area of the Duplex unit panel door and no white streak problem on that end of the printed pages on either side.
I wasn’t there when the technician reached his conclusion this last time, but I was told by an office worker that he said something to the effect that “ when the page spreads go through the Duplex unit the machine is collecting loose toner from one side of the page spreads and then removing it from the other side, causing the white streaks”.
When talking to other people I know who have lots of experience with copy machines, most of them are skeptical that our page design is causing the problem. They suspect that it may be a fuser problem. That seems logical to me. I’ve seen other designs similar to ours produced by other churches, and I’ve never heard of “loose toner” building up inside a copy machine. Since I’m the graphic designer and newsletter editor I would really rather not have to change the newsletter design, unless it really is the source of our problems. I’m in need of a second opinion in this matter, so I thought I’d pose the problem to you and see what you thought.
My question to you is does the technician’s conclusion make any sense? As I said we never had this problem before, with our old Cannon copier, and it only happens now, on the Kyocera, on one side of the page spreads, despite the presence of the thinner black bands along the bottoms of our page design. Shouldn’t the new copier be able to handle printing 500 copies of a half inch black band across the tops of our pages, or anywhere on the pages, without these problems?
David Tipton, Unitarian Universalist Church of Greensboro, North Carolina
Hi Mr Tipton
By my experience design is not very likely reason for the issue that you mention. However I can say alignment makes sense. You may tell me some technical info such as the margins and size of the newsletter. Also I like to inform you decreasing the density of print will create great performance for mass printing. I will be checking some possible solutions while i am waiting for your follow up posts
Posted on Feb 06, 2008
It can, to a certain extent. The copiers all have toner/digital loading software, which interprets what you are sending as a file. Then, with the jets or fusers, the interpreted information will drive the printing devices/heads, with a variable ink/toner flow. Like anything that has a large amount of flow, sometimes, these delivery systems will clog up. The differences between your two copiers, considering that they most likely don't have identical toner engines, is predictable. The solution?
There may be a settings issue on your pages, where the saturation or greyscale can be adjusted, with the copier in mind.
Posted on Feb 06, 2008
Nope tech guy is corect way these are set up ok thx for using fix ya
Posted on Feb 06, 2008
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