This problem has be resolved by the System 7.5 Update 1.0.
These articles can help you locate the software update mentioned here:
* Where To Find Apple Software Updates
Lists online services for "free" Apple software updates.
* Obtaining Apple Product Support in the USA
Lists 800 numbers and online services for software updates, Apple
support information, and a subset of the Apple Tech. Info. Library.
Article Change History:
25 May 1995 - Added information about System 7.5 Update 1.0.
14 Feb 1995 - Updated keyword; reviewed for technical accuracy.
02 Feb 1995 - Removed invalid workaround information.
Support Information Services