Troubleshooting
Improving the print quality
If you have a print quality problem, print a test page first (Menu, 4, 2, 3). If the printout looks good, the problem is probably not the machine. Check the interface cable connections and try printing a different document. If the printout or test page printed from the machine has a quality problem, check the following steps first. And then, if you still have a print quality problem, check the chart below and follow the recommendations.
Note
Using
a To get the best print quality, we suggest using the recommended paper. Check that you use paper that meets our specifications. (See Acceptable paper and other print media
uupage 19.)
b Check that the drum unit and toner cartridge are installed correctly.
Examples of poor print | Recommendation |
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quality |
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| Take out the drum unit and toner cartridge assembly. Hold the |
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| assembly level with both hands and gently shake it from side to side |
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ABCDEFGH | several times to spread the toner evenly inside the cartridge. |
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abcdefghijk | If the LCD shows Replace Toner, put in a new toner cartridge. |
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A B C D |
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a b c d e |
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Check the machine’s environment. Conditions such as humidity, high |
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0 1 2 3 4 |
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temperatures, and so on, may cause this print fault. |
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| Faint | See Product Safety Guide: Choosing a location. |
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| If the whole page is too light, Toner Save may be turned on. Turn |
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| off Toner Save in the machine's menu settings or |
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| Toner Save Mode in the Printer Properties of the driver. |
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| See Advanced User's Guide: Toner Save. |
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| See Software User's Guide: Printing (for Windows®). |
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| See Software User's Guide: Printing and Faxing (for Macintosh). |
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| Clean the corona wire of the drum unit. | B |
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| Put in a new toner cartridge. |
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| Put in a new drum unit. |
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