Memory requirements for raster images - Laserprinter

Archived from groups: comp.periphs.printers (More info?)

"Johannes Hoffmann" <redsup@gmx.de> schreef in bericht
news:coafcm$bkm$05$1@news.t-online.com...
> Hello!
> At the moment I am drawing up a composition about "Laserprinter" within my
> training as IT- sales clerk.
> In this compostion I want to include some examples to measure the memory
> requirements the Raster Image Processor needs to create the raster image.
> In case of black/white printing this calculaton is quite simple:
> Width * dpi * Length * dpi * 1 Bit (<- either black is set or not)
> This way of calculation was confirmed by a staff of Kyocera-Mita, too.
>
> But how do you calculate the memory requirement of color-laserprinters.
> How
> many bits are set for one dot there?
> Is it only 1 Bit for: dot set / dot not set?
> Or are there more bits like:
> cyan dot set/ cyan dot not set
> magenta dot set / magenta dot not set
> ...
> Looking forward to your replies
> Best regards
> Johannes Hoffmann
>
>

Hi,

I'm not sure about other brands but I know that QMS / Konica-Minolta uses
the following for it's framebuffer:
Width * dpi * Length * dpi * 1 Bit * 4

regards
Jeff