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Using the Printer Software for Windows
3. Double-click the Ports (COM & LPT) icon and double-click
LPT1. If you have connected your printer to a port other than
LPT1, double-click the appropriate port icon.
4. Click the Resources tab, then clear the Use automatic
settings check box. Write down the Input/Output Range
settings shown in the resource settings box.
5. Select a basic configuration setting from the Setting based
on list that uses the same Input/Output Range settings as
those you wrote down in Step 4, and make sure the Direct
Memory Access channel and Interrupt Request numbers are
allocated and displayed. Confirm also that the Conflicting
device list box shows No conflicts.
6. Click OK to save the settings.
7. Reopen the Speed & Progress dialog box to verify whether
DMA transfer has been enabled.