How to solve background grey in Printing out ?

 

1:Fogs, paper jamming, or print-outs...

When using a new printer machine, it may have problems like fogs, paper jamming, or print-

outs may appear to be background grey or light color, fuzzy, with color contamination, etc.

2:How to solve background grey in Printing out?

1):Use printers and paper within a DRY environment.

2):Warm up printers until reached to certain temperature, and print white paper until it becomes
normal. In this case, it will not consume any toner powder.