Deskjet 840c, need to know

[leofajardo71]

Can I print using only one cartridge???? It uses two 15 and 17, would be nice if someone can help me.

 

[rgd1101]

It need both to print

 

[leofajardo71]

It need both to print

Yes, I know that. But, Is there any chance to print using only one.

 

[rgd1101]

with only one install or using only like black?