[comp.sys.mac.comm] ? Serial line dropped during printing ?

astor@dev8j.mdcbbs.com (12/05/90)

I have an application which is doing simple serial communications 
through the modem port at 9600 baud.  I've got reports from a few 
customers that when they print, either from my application, or via 
multifinder from another application, that occasionally their serial 
connection gets dropped ( possibly a break transmission ).

I don't know of anything in my application which could be causing 
this.  Has anyone experienced this problem in any other application?  
Does anyone have any idea of something I should look for?

Thanks in advance.  E-Mail preferred.
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