Faint and fade in mass production

[Helderremelhe]

Hello

When i put the machine printing only one document or only few pages the machine work perfectly but if i want print more than 50 sheets the printer begin fade and faint text progressive ultil print the white sheet only with some points .

The machine have toner black with 100% of capacity.

I dont understand what happen. Why when i print only 10 or 20 sheet working good.but if i put print mre begin fade image.

[gabiene]

Hi,

It will be better if you upload some images here eventually halftone with 40% coverage CMYK (separately).

I believe is a problem in xerographic system ( a defective developer housing ).

Gabi

[Helderremelhe]

Hello

Here i cannot find way to upload image but the image disapear not print.
If i stop and wait 1min and return to print the quality return.

What is the xerografic system?

[gabiene]

 The xerographic system is made of drums, developer housings, belt transfer, 2nd transfer.

And you can upload images from "Photos" option.

[Helderremelhe]

Hello many thanks for your prompt wanwer and i already can upload the image in my profile.