Thanks all for your help. Print now looks good. Brink, I followed your link to HP customer support, then product home page, and followed instructions to reset to factory settings using buttons on...

All the drivers are apparently up to date , monitor settings, screen resolutions are those recommended .
Could this be relevant ? Display adaptor properties, monitor props,events and found this...

Hello Brink. Thanks for your kind welcome. I tried all the text samples offered but none were satisfactory - all had fat and thin parts to individual letters.
Just to add, after the update a couple...

After updating to 1709 all windows documents, desktop icons have annoying pink tinges and black print
is not always well defined. Please see uploaded image. Parts of individual letters are thicker...