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Contact a service representative. Character Voids 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. • You may be printing on the wrong surface of the paper. Remove the paper and turn it around. • The paper may not meet paper specifications. (See "Specifications on print media" on page 4.3.) Horizontal stripes If horizontally aligned black streaks or smears appear: • The toner cartridge may be installed improperly. Remove the cartridge and reinsert it. • The toner cartridge may be defective. Remove the toner cartridge and install a new one. (See "Replacing the toner cartridge" on page 8.5.) • If the problem persists, the machine may require repair. Contact a service representative. Curl If the printed paper is curled or paper does not feed into the machine: • Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray. Condition Suggested solutions An unknown image You machine is probably being used at an repetitively appears altitude of 1,000 m (3,281 ft) or above. The on the next few high altitude may affect the print quality from sheets or loose loose toner or light imaging. You can set this toner, light print, or option through the Printer Tab in printer contamination driver’s properties. See page 3.2. occurs. Copying problems Condition Suggested solutions Copies are too light or too dark. Use Darkness arrows to darken or lighten the backgrounds of copies. Smears, lines, • If the defects are on the original, press marks, or spots Darkness arrows to lighten the background appears on copies. of your copies. • If there are no defects on the original, clean the scan unit. (Page page 8.3) Copy image is • Ensure that the original is face down on the skewed. scanner glass. • Check that the copy paper is loaded correctly. Blank copies print out. Ensure that the original is face down on the scanner glass. Image rubs off the • Replace the paper in the tray with paper copy easily. from a new package. • In high humidity areas, do not leave paper in the machine for extended periods of time. Frequent copy • Fan the stack of paper, then turn it over in paper jams occur. the tray. Replace the paper in the tray with a fresh supply. Check/adjust the paper guides, if necessary. • Ensure that the paper is the proper paper weight. 75 g/m2 paper is recommended. • Check for copy paper or pieces of copy paper remaining in the machine after a paper jam has been cleared. toner cartridge • Your originals may contain pictures, solids, produces fewer or heavy lines. For example, your originals copies than may be forms, newsletters, books, or other expected before documents that use more toner. running out of • The machine may be turned on and off toner. frequently. • The scanner lid may be left open while copies are being made. 9.12 Scanning problems Common Windows problems Condition Suggested solutions The scanner does • Make sure that you place the original to be not work. scanned face down on the scanner glass,. • There may not be enough available memory to hold the document you want to scan. Try the Prescan function to see if that works. Try lowering the scan resolution rate. • Check that the printer cable is connected properly. • Make sure that the printer cable is not defective. Switch the cable with a known good cable. If necessary, replace the cable. • Check that the scanner is configured correctly. 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. The unit scans • Check if the machine is printing received very slowly. data. If so, scan the document after the received data has been printed. • Graphics are scanned more slowly than text. Message appears • There may be a copying or printing job in on your computer progress. Try your job again when that job is screen: finished, try your job again. • “Device can't be • The selected port is currently being used. set to the H/W Restart your computer and try again. mode you want.” • The scanner driver is not installed or the • “Port is being operating environment is not set up properly. used by another • Ensure that the machine is properly program.” connected and the power is on, then restart •“Port is your computer. Disabled.” • The USB cable may be improperly connected • “Scanner is busy or the power may be off. receiving or printing data. When the current job is completed, try again.” • “Invalid handle.” • “Scanning has failed.” Condition Suggested solutions “File in Use” message appears during installation. Exit all software applications. Remove all software from the StartUp Group, then restart Windows. Reinstall the printer driver. “General Close all other applications, reboot Windows Protection Fault”, and try printing again. “Exception OE”, “Spoo...

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