[. . . ] Samsung Electronics is not responsible for any direct or indirect damages, arising from or related to use of this manual. · Samsung and Samsung logo are trademarks of Samsung Electronics Co. , Ltd. · IBM and IBM PC are trademarks of International Business Machines Corporation. · Microsoft, Windows, Windows 98, Windows Me, Windows 2000, and Windows XP are registered trademarks of Microsoft Corporation. [. . . ] · Try printing to the rear cover. · Clean the inside of the machine. Contact a service representative. A 9. 8 Troubleshooting Character voids are white areas within parts of characters that should be solid black: · If you are using transparencies, try another type of transparency. Because of the composition of transparencies, some character voids are normal. See page 3. 2. Condition Horizontal stripes Suggested solutions If horizontally aligned black streaks or smears appear: · The toner cartridge may be installed improperly. If the printed paper is curled or paper does not feed into the machine: · Turn over the stack of paper in the tray. · Try printing to the rear cover. Condition Toner cartridge produces fewer copies than expected before running out of toner. Suggested solutions · Your originals may contain pictures, solids, or heavy lines. For example, your originals may be forms, newsletters, books, or other documents that use more toner. · The document cover may be left open while copies are being made. AaBbCc AaBbCc AaBbCc AaBbCc AaBbCc Curl Scanning problems Condition The scanner does not work. Suggested solutions · Make sure that you place the document to be scanned face down on the document glass. · There may not be enough available memory to hold the document you want to scan. Check scan setting in the SmarThru Configuration or the application you want to use to make certain that the scanner job is being sent to the correct port, for example, LPT1. · Communication speed slows in scan mode because of the large amount of memory required to analyze and reproduce the scanned image. For details about how to set BIOS, refer to your computer User's Guide. Copying problems Condition Copies are too light or too dark. Suggested solutions Use Darkness to darken or lighten the background of the copies. · If defects are on the original, use Darkness to lighten the background of your copies. · Replace the paper in the paper input tray with paper from a new package. · In high humidity areas, do not leave paper in the machine for extended periods of time. · Fan the stack of paper, then turn it over in the paper input tray. · Ensure that the paper is the proper paper weight 75 g/m2 (20 lb bond) paper is recommended. · Check for copy paper or pieces of copy paper remaining in the machine after a paper jam has been cleared. The unit scans very slowly. Frequent copy paper jams occur. 9. 9 Troubleshooting Condition Message appears on your computer screen: · "Device can't be set to the H/W mode you want. " · "Port is being used by another program. " · "Port is disabled. " · "Scanner is busy receiving or printing data. When the current job is completed, try again. " · "Invalid handle. " · "Scanning has failed. " Suggested solutions · There may be a copying or printing job in progress. · The printer cable may be improperly connected or the power may be off. [. . . ] Your printer's IP address appears on the Printer List, and is set as the default printer. For a USB-connected Macintosh 1 2 3 4 5 6 Follow the instructions on "Installing Software for Macintosh" on page 31 to install the PPD and Filter files on your computer. Your printer appears on the Printer List, and is set as the default printer. 32 Using Your Printer with a Macintosh Printing NOTES: · The Macintosh printer's properties window that appears in this User's Guide may differ depending on the printer in use. · You can check your printer name in the supplied CDROM. Changing Printer Settings You can use advanced printing features when using your printer. The printer name which appears in the printer properties window may differ depending on the printer in use. [. . . ]