Enhanced I/O
The Enhanced I/O feature uses printer memory to store data that the printer receives from the host
computer. When Enhanced I/O is enabled, you can send more data to the printer in less time, so that
you can return to your software program sooner. Enhanced I/O has the following options:
● Auto: The product uses Enhanced I/O memory allocation to increase the speed of data transfer
from the host computer to the printer, if necessary. The default setting is Auto.
● Off: The printer uses the minimum amount of product memory for storing data that the host
computer sends.
● Page protect: The formatter creates the entire page image in page-buffer memory before
physically moving the media through the printer. This process ensures that the entire page is
printed.
Page complexity (ruling lines, complex graphics, or dense text) can exceed the printer’s ability to
create the page image quickly enough to keep pace with the image-formation process. If the page-
protect feature is disabled and a page is too complex, the page might print in parts (for example, the
top half on one page and the bottom half on the next page). Some print-data loss is likely in these
instances, and the Attention light on the control panel will illuminate.
40 Chapter 4 Operational overview ENWW
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