Epson AcuLaser C3800N User Manual

Troubleshooting271
EPSON AcuLaser C3800 Users Guide
Correcting USB Problems
If you are having difficulty using printer with a USB connection, see if your problem is listed 
below, and take any recommended actions.
USB connections
USB cables or connections can sometimes be the source of USB problems. Try one or 
both of these solution.
❏For best results, you should connect the printer directly to the computer’s USB port. If 
you must use multiple USB hubs, we recommend that you connect the printer to the...

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EPSON AcuLaser C3800 Users Guide
2. Click Printing Preferences on the shortcut menu that appears, then right-click 
anywhere in the driver.
If About is displayed in the shortcut menu that appears, click it. If a message box with 
the words “Unidrv Printer Driver” appears, you must reinstall the printer software as 
described in the Setup Guide. If About is not displayed, the printer software has been 
installed correctly.
Note:
For Windows 2000, if the Digital Signature Not Found...

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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.
 

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3. Click the Device Manager tab.
If your drivers are correctly installed, EPSON USB Printer Devices should appear on 
the Device Manager menu.
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.
 

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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.
4. Under Other devices, select USB Printer or EPSON AL-CXXXX, click Remove, then 
click OK.
When the following dialog box appears, click OK, then click OK to close the System 
Properties dialog box.
5. Uninstall the...

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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 192.
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 91 or for Macintosh, see Canceling Printing on page 145.
The...

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The printer does not print
The printer driver or printer that you need to use does not appear in 
the Printer Setup Utility (Mac OS 10.3.x and 10.4.x), Print Center 
(Mac OS 10.2.x), or Chooser (Mac OS 9)
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...

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The font on the printout is different from that on the screen
The printer fonts cannot be installed
The edges of texts and/or images are not smooth
Cause What to do
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...

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The printer does not print normally via the USB interface
The printer does not print normally via the network interface
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...

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EPSON AcuLaser C3800 Users Guide
An undefined error occurs (Macintosh only)
Insufficient memory to print data (Macintosh only)
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 TBCP (Tagged 
binary communications protocol).
When the Binary setting is set to On, TBCP is not 
available. Use the Binary protocol. See PS3 Menu...