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It sounds like residual toner build up on the outskirts of the image transfer belt. Open the marking engine doors, remove the necessary plates to pull out the ITB, and take a look. You may find the outer rim of the ITB covered with toner. The cleaning station really only targets the belt's...

The 710, 810 and 910 are brand new. Look up the C850 series.

I would be quick to recommend Canon wide format, but with substrate like that you'll have to look into latex (HP or Ricoh) or a machine with an opaque white (perhaps both to be honest). But nothing aqueous or aqueous hybrid. Ugh, I'm keeping what I wrote, but my apologies for not reading the...

KM has come a long way. Especially with their most recent models. I had such a rough experience with the C7000 series (man did I miss my old 6501) that I switched to Canon and never looked back. The Canon C710 is a formidable device, amazing color and substrate handling/diversity like you've...

I'm not a huge Epson fan, primarily for substrate versatility, but they're know for exceptional color and image quality. Polypropylene, if not specced for your device, will print with the illusion of poor resolution. In reality it's the ink, every so finely beading, on the print surface. Same...

I'm not much of a Xerox fan, but i may have to lean that way as well. Every Okie i've used has had great productivity, but forever reason, overtone magenta horribly. Oki says it's a humidity issue, but i've operated several devices between 3 employers, all in different environments, and all...

It sounds like an intermittent head/nozzle problem, or a pressure issue in the hoses that deliver ink. I've never been extremely satisfied with HP wide format (at least not at the lower end) - however they do come at great print, and offer decent print quality for it. It's peculiar that leaving...

If I'm not mistaken, those little xerox units have the developing station, drum, and charge wire all in the same component. So in theory, changing the drum, also changes the developer and charge wire. Take a peak at your transfer belt and cleaning stations. If your image transfer belt is shot...

Keep in mind the colorimetric render intents do not manage out of gamut colors very well at all. What type of file are you printing? IF it's an RGB photo, colorimetric isn't going to do your file much justice.

Though, we are talking about black and white, yes? I don't know how we drifted into color. Look into Oce's Titan. There's nothing else quite like it.

The IQ's are a bit flawed in the way they measure in-line color. They work well for in-line calibration, as that uses a proper spectrophotometer, but for whatever reason is switches to an inferior device for in-line density. The Canon C10000 series has one of the best (maybe the best) inline...

Perhaps let’s see your file vs your output. Attach the file and your best possible photo of the output

You don’t want your Adobe applications doing color management for you. The widest CMYK color gamut will be your GracoL selection. However the machine will need special calibration to see if it’s achieving the target color space or not. Your colorimetric rendering intent will freeze all in–gamut...

You need to get a piece of software to calibrate your monitor to your print device (perhaps try what's mentioned above). However, like Brandon Mentioned, Some colors are simply out of the CMYK color gamut altogether, and simply will never be printed to match the screen and/or Pantone swatch

Part of feels the same way about the imaging unit being an one-part/all-in-one replacement. I’m sure of it on the C60/70. I’ll have to look this up.

Interesting idea, I'll give you that. I imagine you could achieve a basic RIP of sorts, but to create a user interface like Command Workstation, or incorporate features that directly feed into the digital press would be a huge challenge. Take for example changing toner dither/dot pattern, image...

The thin lines in the print direction looks like a bad corona/charge wire. Or a dirty grid. The over all poor saturation (especially if it's an uncoated media) looks like insignificant transfer voltage and/or fuser temperature

It may very well have been the transfer voltage after all. Increasing the GSM will indeed increase fusing temperature, but the more significant internal adjustment would be to secondary transfer voltage.

I wouldn't bother. The scratch marks are identical. It's not existing within any individual imaging unit. Something must be contacting the belt at some point. Downstream, after the final drum unit, and before transfer to the paper.

I've been down this very same road with one of the older Canon ImagePRESS'. Digital synthetic was in its infancy at best then. Low fusing temperature is always preferred. My issue with Canon was the natural charge of the Vinyl would repel toner. I has to increase the transfer voltage to get a...