Epson EPL N2550DTT User Manual

Troubleshooting261
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If EPUSBX: (your printer name) is displayed in the “Print to 
the following” port drop-down list, then the USB printer 
device driver and printer software are installed correctly. If 
the correct port is not displayed, proceed to the next step.
2. Right-click the My Computer icon on your desktop, then 
click Properties.
3. Click the Device Manager tab.
 

262TroubleshootingIf your drivers are correctly installed, EPSON USB Printer 
Devices should appear on the Device Manager menu.
 

Troubleshooting263
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If EPSON USB Printer Devices does not appear on the Device 
Manager menu, click the plus(+) sign beside Other devices to 
view the installed devices.
If USB Printer or your printer name appears under Other 
devices, the printer software is not installed correctly. Proceed 
to step 5.
If neither USB Printer nor your printer name appears under 
Other devices, click Refresh or unplug the USB cable from the 
printer, then plug it into the printer again....

264Troubleshooting 4. Under Other devices, select USB Printer or your printer 
name, click Remove, then click OK.
When the following dialog box appears, click OK, then click 
OK to close the System Properties dialog box.
 

Troubleshooting265
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5. Uninstall the printer software as explained in Uninstalling 
the Printer Software on page 105. Turn the printer off, restart 
your computer, then reinstall the printer software as 
described in the Setup Guide.
Status and Error Messages
You can see the printer’s status and error messages on the LCD 
panel. For more information, see Status and Error Messages on 
page 181
Canceling Printing
 You can cancel printing from your computer by using the...

266Troubleshooting
The printer does not print correctly in the 
PostScript mode
The printer does not print
Cause What to do
The printer’s emulation mode 
setting is incorrect.The printer is set to the Auto mode by 
default, so that it can automatically 
determine the encoding used in the 
received print job data and select the 
appropriate emulation mode. However, 
there are situations where the printer 
cannot select the correct emulation 
mode. In this case, it must be set manually 
to PS3.
Set the...

Troubleshooting267
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The printer driver or printer that you need to use 
does not appear in the Printer Setup Utility (Mac 
OS 10.3.x), Print Center (Mac OS 10.2.x), or 
Chooser (Mac OS 9)
The font on the printout is different from that on 
the screen
For Mac OS 9 users only
The Unlimited Downloadable 
Fonts check box on the PostScript 
Options setup option page in the 
Page Setup dialog box is 
selected.Clear the Unlimited Downloadable Fonts 
check box.
The Emulation...

268Troubleshooting
The printer fonts cannot be installed
The edges of texts and/or images are not smooth
The PostScript screen fonts are not 
installed.The PostScript screen fonts must be installed 
on the computer that you are using. 
Otherwise, the font that you select is 
substituted by some other font for display on 
the screen.
For Windows users only
The Send TrueType fonts to printer 
according to the font Substitution 
Table setting on the Fonts sheet of 
the printer’s Properties dialog box 
is...

Troubleshooting269
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The printer does not print normally via the parallel 
interface (Windows 98 only)
The printer does not print normally via the USB 
interface
The printer does not print normally via the 
network interface
Cause What to do
The computer is connected to the 
printer via the parallel interface and 
the parallel port setting is set to the 
ECP mode.Make sure that the mode setting is 
correct.
Cause What to do
For Windows users only
The Data Format setting...

270Troubleshooting
The Data Format setting is different 
from the data format setting 
specified in the application (except 
on Mac OS X)If the file is created in an application that 
allows you to change the data format or 
encoding, such as Photoshop, make sure 
that the setting in the application 
matches that in the printer driver.
The network connection is 
something other than AppleTalk, 
and the Data Format setting is not 
set to ASCII data.If the network connection is something 
other than...