Epson DLQ-3500 Reference Manual page 60

Note:
If you install the driver using Add Printer in the Printers folder, or using
the "Point and Print" method, EPSON Status Monitor 3 may not
function properly. If you want to use EPSON Status Monitor 3, reinstall
the driver as described in the Setup Guide.
Before using the EPSON Status Monitor 3 utility, be sure to read
the README file on the driver disk. This file contains the latest
information on the utility.
Setting up EPSON Status Monitor 3
Follow these steps to set up EPSON Status Monitor 3:
1. Open the Utility menu as described in Using the Printer
Driver with Windows Me, 98, and 95 or Using the Printer
Driver with Windows 2000 and NT 4.0.
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Printer Software