Epson Stylus Pro 9400 User Manual

Problem Solver331
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The USB printer device driver or the printer software may be 
incorrectly installed (Windows Me and 98 only)
If you canceled the plug-and-play driver installation in 
Windows Me or 98 before the procedure was complete, the USB 
printer device driver or the printer software may be incorrectly 
installed.
To ensure that the driver and printer software are installed 
correctly, follow the steps below.
Note:
The printer driver screens that appear in this...

332Problem Solver 3. Click the Details tab.
If EPUSBX: (EPSON Stylus Pro XXXX) appears in the Print to 
the following port 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.
 

Problem Solver333
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4. Click the Device Manager tab.
If your drivers are correctly installed, EPSON USB Printer 
Device should appear on the Device Manager menu.
If EPSON USB Printer Devices does not appear on the Device 
Management menu, click the plus (+) sign beside Other 
devices to view the installed devices.
If USB Printer or EPSON Stylus Pro XXXX appears under Other 
devices, the printer software is not installed correctly. 
Proceed to step 5.
If neither USB Printer...

334Problem Solver 5. Under Other devices, select USB Printer or EPSON Stylus Pro 
XXXX, and click Remove. Then click OK.
When the following dialog appears, click OK.
6. Click OK to close the System Properties dialog.
7. Uninstall the printer software. See “Uninstalling the printer 
driver” on page 97.
 

Problem Solver335
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The printer driver does not have enough available memory 
(for Mac OS 9.x only)
To increase the available memory in your Macintosh, select 
Control Panel from the Apple menu and double-click the 
Memory icon. You can increase the size of RAM cache or virtual 
memory to increase total available memory. Also quit all 
unnecessary applications.
The printer sounds like it is printing, but nothing prints
Try one or more of these solutions:
❏Run the Head...

336Problem Solver
Incorrect margins
Try one or more of these solutions:
❏Check the margin settings in your application.
❏Make sure the margins are within the printable area of the 
page. See “Printable area” on page 360.
❏For Windows, check the Borderless setting in the Paper menu. 
Make sure they are correct for the paper size you are using. 
See “Making Settings on the Paper Menu” on page 45.
For Mac OS 9.x, check the Borderless setting in the Page Setup 
dialog. Make sure they are correct for the...

Problem Solver337
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❏Adjust the Color Density in the Paper Configuration dialog. 
For Windows, see “Paper Configuration” on page 29. For Mac 
OS 9.x, see “Paper Configuration” on page 113. For Mac OS 
X, see “Paper Configuration” on page 177.
❏Make sure the media type setting matches the paper being 
used. 
❏Since monitors and printers produce colors differently, 
printed colors will not always match on screen colors 
perfectly. However, the above color systems are provided...

338Problem SolverFor Mac OS X, select Color Controls in the Printer Color 
Management selected in the Print dialog. See “Printer Color 
Management” on page 171.
❏Mac OS 9.x, make sure your application and data reading 
devices support the ColorSync system when you are selecting 
ColorSync in the Advanced dialog. See “Making Advanced 
setting” on page 111.
A ruled line shifts
Perform the print head alignment. For Windows, see “Aligning 
the print head” on page 71. Mac OS 9.x, see “Aligning the print...

Problem Solver339
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For paper other than Epson’s, register and select paper 
thickness in the Menu mode. Make sure it is correct for the 
paper you are using. See “Making the paper settings” on page 
231.
❏Set the PLATEN GAP to WIDE in the PRINTER SETTING of the 
Menu mode. See “PRINTER SETUP” on page 213.
Print quality could be better
Horizontal banding
Try one or more of these solutions:
❏For Windows, check the Media Type setting in the Main 
menu. Make sure it is correct...

340Problem Solver ❏Check the Paper Feed value. Reduce the value to improve 
light banding, and increase it for dark banding. For Windows, 
“Paper Configuration” on page 29. For Mac OS 9.x, see “Paper 
Configuration” on page 113. For Mac OS X, see “Paper 
Configuration” on page 177.
❏Check the Ink check light. If necessary, replace ink cartridges. 
See “Replacing Ink Cartridges” on page 285. 
Vertical misalignment or banding
Try one or more of these solutions:
❏For Windows, turn off the High Speed setting...