Fail printing on Image Press C1

Hello everydody,

A have a Imagepress C1 Printer and on the last days it become to make me a crazy.
Some prints are doing with a colored risks, and the machine is not maintening the same color into the copies.
My english is so bad, so I have scanned the images and post on the link below.
I have changed all developers and toners.

http://www.copycolor.com.br/clientes/dn_gustavo/C1_1.jpg
http://www.copycolor.com.br/clientes/dn_gustavo/C1_2.jpg
http://www.copycolor.com.br/clientes/dn_gustavo/C1_3.jpg

Thanks a lot if anyone can help me.

 

Hello, I have same problem now; did you find what was causing this error? I also have bands along my prints with Canon C1.