You need to be using the Personal LaserWriter SC driver v7.0.1. It can be found with both System 7.0.1 or System 7.1, and is also posted on multiple on-line services.
These articles can help you locate software updates 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
This is the only SCSI print driver compatible with the Power Macintosh, and should be used for both the Personal LaserWriter SC as well as the LaserWriter IISC. The Power Macintosh Read Me, as well as the manuals will be updated to reflect this.
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