Epson WF-3540 User Manual page 253

2. Do one of the following:
• Windows: Right-click the product icon in the Windows taskbar.
• Mac OS X 10.6/10.7/10.8: In the Apple menu or the Dock, select System Preferences. Select
Print & Fax or Print & Scan, select your product, and select Options & Supplies. Select Utility
and select Open Printer Utility.
• Mac OS X 10.5: In the Apple menu or the Dock, select System Preferences. Select Print & Fax,
select your product, and select Open Print Queue. Select Utility.
3. Select Nozzle Check.
You see a window like this:
4. Click Print.
5. Check the printed pattern to see if there are gaps in the lines.
Print head is clean
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