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Hi,

My machine  is the officejet 7510 puchased October 2017.

The supplied cartridges lasted till Feb 2018.

Replaced with GENUINE hp XL cartridges the CYAN lasted till

Feb 2019 the two other colours and the black are comeing to the end of use.

My print habit is predominantly in BLACK and is set up for black print.

Like others I ask, WHY DO THE COLOUR CARTRIDGES DEPLETE BEFORE THE BLACK ?

Do you seriously expect us to accept that ink purges account for this waste ?

To try to combat unnecessary purges i do not switch the printer off.

 

 

 

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