New printer or existing printer that just developed the problem? printer is 4 y/o
Does the print problem happen with general printing and/or with test mode? general printing
Have you checked the relevant margin settings with respect to the source applications for the documents being printed? yes;margins unchabed from original settings.
Have you updated the printer drivers? yes
Comment: as you know all printing starts on the left hand side of paper in both landscape and portrait mode.it looks like print head is not pressing hard enough on left side.I have observe the movement of print head,but can not see any problem.