For me, alignment problems on the 1541 were fairly common (there was a lot of head thrashing when trying to read "protected" disks), which ended up with the 154

For me, alignment problems on the 1541 were fairly common (there was a lot of head thrashing when trying to read "protected" disks), which ended up with the 1541 cover being easily removable for me, and always a screwdriver nearby to recalibrate.