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Color LaserWriter 12/600 PS Troubleshooting 2–22
Diagnostic Utility
Outline
The Color LaserWriter Service Utility is a stand-alone application for
the Macintosh that lets you upload and download printer parameters
from the DC controller board. You connect your Macintosh to the
printer’s I/O Test (IOT) connector by means of the utility interface
cable (P/N 922-1703).
The IOT connector is J109 on the DC controller board. It is accessible
through the left side of the printer (see illustration under “Verifying
Printer Operation” in this chapter). If the left cover is in place, you
must remove the small IOT access plate built into the cover.
Availability
The utility can be found on the Service Source Companion CD (path:
Diagnostic Utilities, Color LW Service Utility folder). Refer to the
ReadMe file within that folder for full information on how to operate
this utility.
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