Xerox Phaser 7400DX User Manual
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-7 2.Clean the LED bar for the problem color using the cleaning pad supplied with each new toner cartridge, or with a soft, clean cloth. 3.Visually inspect the toner cartridges and imaging units and remove any foreign material. 4.If the problem persists after cleaning the LED bars, check the toner for the problem color. Replace the toner if low. 7400-201 7400-161 Downloaded From ManualsPrinter.com Manuals
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-8 5. If the problem persists, lift out the imaging un it for the problem color, keeping the toner cartridge installed. 6. To avoid toner spills, hold the imaging unit in an upright position. Slide the cover away from the shiny coating at the bottom of the un it, and lift it high enough to visually inspect it. Caution: Do not touch the shiny co ating of the imaging unit. 7400-174CMYK 7400-162 Downloaded From ManualsPrinter.com Manuals
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-9 7.If the shiny coating has scratches or damage that align with the print defect, replace the imaging unit. Note:Some slight scratching is normal. Dark Lines, Smudges, or Streaks Through All Colors Problem The page has dark lines, smudges, or streaks in all colors. Solution ■Verify that the paper you are using is the correct type for the printer. See Supported Paper and Media on page 3-3. ■Verify that the paper is properly loaded in the tray,...
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-10 4.Open the top cover and verify that the levers on the fuser are in the locked position. 5.Close the top cover. 6.On the control panel, select Troubleshooting, and then press the OKbutton. 7.Select Print Quality Issues, and then press the OKbutton. 8.Select Remove Print Smears, and then press the OKbutton. Five cleaning pages will run through the printer. 9.Repeat Steps 3–5 until the pages come out clean. 10.If the problem persists, replace...
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-11 12.Grasp the imaging unit basket handle and lift up the basket. 13.Inspect the transfer unit. If you see excess toner on the transfer unit, replace it. 7400-056 7400-241 Downloaded From ManualsPrinter.com Manuals
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-12 All Colors Are Too Light or Too Dark Problem Colors appear faded or too dark. Solution 1.Use a different TekColor correction in the printer driver. Note:Setting the TekColor correction to Automatic produces the best results for most documents. 2.If the problem continues, in the Xerox printer driver (Windows 2000 or later), select the Te k C o l o r tab, click the More Options button, and then adjust the Lightness level. 3.If the problem...
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-13 Repeating Defects Problem Solution Print the Repeating Defects page to view instructions for correcting the problem. To print the Repeating Defects page: 1.On the control panel, select Troubleshooting, and then press the OK button. 2.Select Print Quality Problems, and then press the OK button. 3.Select Repeating Defects, and then press the OK button. The Repeating Defects page prints. 4.Follow the instructions on the page to measure the...
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-14 Print Image Is Offset Problem Toner appears to have been pulled off the page and placed across the page from where it should be. Solution ■Verify that the paper you are using is the correct type for the printer. See Supported Paper and Media on page 3-3. ■Verify that the paper is properly loaded in the tray, and the correct paper type is selected in the Paper Tray Setup menu. See Loading Paper on page 3-8. If the problem persists: 1.On the...
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-15 Fusing Is Incomplete or Toner Is Flaking Problem Toner appears to be pulled off the print, or is easy to rub off. Solution ■Verify that the paper you are using is the correct type for the printer. See Supported Paper and Media on page 3-3. ■Verify that the paper is properly loaded in the tray, and the correct paper type is selected in the Paper Tray Setup menu. See Loading Paper on page 3-8. If the problem persists: 1.On the control panel,...
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Solving Print-Quality Problems Phaser® 7400 Color Printer 4-16 Color Misregistration Problem Color has shifted outside of the expected print area or has been superimposed over another color area. Solution 1.Turn the printer off. 7400-213 7400-188 Downloaded From ManualsPrinter.com Manuals