Dropping Out

After a form is locked up, and, when it is being lifted from the stone, or being laid upon the imposing stone, or the press, any letters, spaces, or quadrats fall out, it is said something drops out, or something has dropped out; this may arise from some of the lines being badly justified — some of the leads riding — or some of the furniture binding — or similar causes — and frequently produces errors at press by other letters drawing out. See Form Dances.

In this case, before the form is put to press, it should be examined to ascertain the cause, and any impediment to its safety should be removed.