Re: Profilable Xerox color photocopier
Re: Profilable Xerox color photocopier
- Subject: Re: Profilable Xerox color photocopier
- From: Matthew Larmour <email@hidden>
- Date: Sun, 27 Jan 2008 21:13:33 -0800
- Priority: normal
Sensitive to environmental changes, dust and sometimes seemingly the phase of the moon. ;)
Having worked with the DC40, DC12, DC2045, DC6060, and now an iGen, it seems that while the consistency across the sheet improves with each generation, the reality continues to be that to get the best results one has to change a lot of user-replaceable parts frequently, and, hopefully, have a technician who is sympathetic to one's demanding quality expectations.
I have been told that some shops condition paper stocks for a period of time in the environment in which the printer resides to ensure consistent moisture content, and this purportedly helps but I have not tried this.
When I ran a DC2045 I was mystified that I could calibrate, run a few sheets of a job, change a part to resolve some sort of an image defect, calibrate again, run the same job, and not get the same colour! While the calibration took care of ensuring that the density of CMYK ramps were reasonably consistent, obviously the toner-on-toner trapping characteristics or something else had changed.
For profiling I would average a large number of sheets over a few weeks if possible.
Matthew Larmour
> From: Robin Myers <email@hidden>
> My experience with profiling electrostatic color printers (e.g.
> laser
> printers) is that they are extremely sensitive to temperature
> and
> humidity variations.
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