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. Once you’ve 
confirmed that these items appear, proceed to step 5.
 
						

							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 printer 
driver or from the printer’s control panel.
To cancel a print job before it is sent from your computer, for 
Windows, see Canceling Printing on page 104.
+Cancel Job button on your printer is the quickest and easiest 
way to cancel printing.
For instructions, see Canceling Printing on page 193.
Printing in the PostScript 3 Mode Problems
The problems listed in this section are those that you may 
encounter when printing with the PostScript driver. All 
procedural instructions refer to the PostScript printer driver.
 
						

							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 emulation mode through the 
SelecType Emulation menu on the printer. 
See Emulation Menu on page 155.
The printer’s emulation mode 
setting for the interface that you are 
using is incorrect.The emulation mode can be set 
individually for each interface which 
receives print job data. Set the emulation 
mode for the interface you are using to 
PS3. 
Set the emulation mode through the 
SelecType Emulation menu on the printer. 
See Emulation Menu on page 155.
Cause What to do
The Print to file check box is 
selected in the Print dialog box 
(except on Mac OS X).Clear the Print to file check box in the Print 
dialog box.
The Save as File check box is 
selected on the Output Option 
sheet in the Print dialog box (Mac 
OS X only).Clear the Save as File check box on the 
Output Option sheet in the Print dialog box.
An incorrect printer driver is 
selected.Make sure that the PostScript printer driver 
that you are using to print is selected.
 
						

							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 menu in the 
printer’s Control Panel is set to a 
mode other than Auto or PS3 for 
the interface that you are using.Change the mode setting to either Auto or 
PS3.
Cause What to do
QuickDraw GX is in use (Mac OS 
9).This printer’s driver does not support 
QuickDraw GX. Disable QuickDraw GX.
The printer name has been 
changed.Ask the network administrator for details, 
then select the appropriate printer name.
The AppleTalk zone setting is 
incorrect.Open the Printer Setup Utility (Mac OS 
10.3.x), Print Center (Mac OS 10.2.x), or 
Chooser (Mac OS 9), then select the 
AppleTalk zone that the printer is 
connected to.
Cause What to do
 
						

							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 turned on, but the TrueType 
fonts are not replaced by the 
printer fonts.
(For Windows Me 98)
The appropriate substitution fonts 
are not correctly specified on the 
Device Settings sheet of the 
printer’s Properties dialog box.
(For Windows XP or 2000)If 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 turned on, TrueType 
fonts are replaced by the printer fonts 
before they are printed. Specify the 
appropriate substitution fonts using the Font 
Substitution Table.
Specify the appropriate substitution fonts 
using the Font Substitution Table.
Cause What to do
The Emulation menu in the 
printer’s Control Panel is not set to 
PS3 for the interface that you are 
using.Change the Emulation menu setting to PS3 
for the interface that you are using, then try 
reinstalling the printer fonts again.
Cause What to do
The Print Quality is set to Fast. Change the Print Quality setting to Quality.
The printer does not have 
sufficient memory.Increase the printer memory.
 
						

							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 in the 
printer’s Properties is not set to 
ASCII or TBCP.The printer cannot print binary data when it 
is connected to the computer via the USB 
interface. Make sure that the Data Format 
setting, which is accessed by clicking 
Advanced on the PostScript sheet of the 
printer’s Properties, is set to ASCII or TBCP.
If your computer is running Windows XP, 
click the Device Settings tab in the printer’s 
Properties, then click the Output Protocol 
setting and select ASCII or TBCP.
For Macintosh users only
The Data Format setting in the 
printer’s Properties is not set to 
ASCII.The printer cannot print binary data when it 
is connected to the computer via the USB 
interface. Make sure that the Data Format 
setting, which is accessed by clicking Print 
from the File menu, is set to ASCII.
Cause What to do
 
						

							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 AppleTalk, make sure that the 
Data Format setting is set to ASCII data or 
Tagged binary communications protocol 
(Windows) or set to ASCII (Macintosh).
For Windows 2000 users only
Job Management On is selected in 
the printer’s Properties.When AppleTalk is active and Job 
Management ON is selected, the printer 
does not print normally. Make sure to 
clear the Job Management On check 
box on the Job Settings sheet of the 
printer’s Properties.
For Windows users only
The computer is connected to the 
network using AppleTalk in a 
Windows 2000 environment, and 
the Send CTRL+D Before Each Job 
or Send CTRL+D After Each Job 
setting on the Device Settings sheet 
of the printer’s Properties dialog box 
is set to Yes.Make sure that both the Send CTRL+D 
Before Each Job and Send CTRL+D After 
Each Job settings are set to No.
For Windows users only
The print data is too large.Click Advanced on the PostScript sheet of 
the printer’s Properties, then change the 
Data Format setting from ASCII data 
(default) to Tagged binary 
communications protocol.
When the Binary setting is set to On, TBCP 
is not available. Use the Binary protocol. 
See PS3 Menu on page 171 for details.
For Windows users only
Printing cannot be performed using 
the network interface.Click Advanced on the PostScript sheet of 
the printer’s Properties, then change the 
Data Format setting from ASCII data 
(default) to Tagged binary 
communications protocol.
When the Binary setting is set to On, TBCP 
is not available. Use the Binary protocol. 
See PS3 Menu on page 171 for details.