The broken print head usually causes the HP printer error code 0x6100004a. This error results from an excessive number of startups, corrupt printer registry, fragmented programs, hardware problems, declination of RAM, etc. Some of the quick ways to fix this error are to close all the applications running in the background. Check if any printing paper is stuck in the paper tray. If there is a paper jam issue with your HP printer, you might encounter error code 0x6100004a.