i-SENSYS LBP6030w Faint printing from iPhone Canon Business App

[Wesam_az]

I have i-sense LPB 6030 printer , I face a problem which is very faint printing , when It adjust the ink density from printer preferences—> Quality—>Advanced options.   Then adjust ink density to number 8 , from windows 10 printer preferences. It’s OK, but if I tried to print from my iphone app (canon print business) which has no options for ink density, the problem still exists , mean the printing still faint

my two questions: 

1) Is there anyway to print out from my iphone with good print quality ( other App or any configurations should I do )

2) Is there a way to adjust the ink density in the printer itself, to apply these settings in all devices connected to the printer 

any help would be appreciated 
thanks in advance 

[Stephen]

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