hp 840 printer poor quality

  [DELETED] 16:41 09 Sep 2003
Locked

my 3 year old hp 840 is giving poor results after usually being okay. i've recently changed the black cartridge and don't know if it's the problem.
I've tried cleaning the cartidges and aligning the print heads using the hp software. after this i'm stuck. any ideas??

thanks

peter

  [DELETED] 19:54 09 Sep 2003

should've said.....it seems to be the allignment cos after trying to line up, the test results are still well out. thanks

This thread is now locked and can not be replied to.

Elsewhere on IDG sites

Amazon Prime Day 2018: Best Deals & Launches

The Huawei P20 Pro is the best phone for artists, designers and photographers

The best Amazon Prime Day Apple deals 2018

TV & Streaming : comment regarder la Supercoupe d’Espagne ?