Funnel chart loosing colour after printing in pdf format

[mbp198]

I have a situation I have a funnel chart which looks like  this

the chart above in the qlikview file looks nice and colorful

but after printing the chart in pdf file it prints like this

I don't know what is going on and why funnel chart is turning grey, I have checked the properties of the chart but can't figure out

[miguelbraga]

How are you printing the chart? Are you using the Report Editor? Did you check your pdf creator settings?

[mbp198]

I am printing using print Icon on Report Editor, after doing some research I've noticed  that , chart properties look like this.

but if I change the chart type to barchart when Printing option is active