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Problem | Cause and Solution | ||
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Horizontal lines or | A toner cartridge might be running out of toner. Check | ||
streaks | the printer control panel display for a TONER LOW | ||
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| REPLACE <Color> or TONER OUT REPLACE <Color> |
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| message. Replace the toner cartridge indicated on the |
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| printer control panel display. Do not shake the toner |
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| cartridge in attempts to extend the cartridge life. |
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| For more information on replacing the toner cartridge, |
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| see the installation guide included with the toner |
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| cartridge. |
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| Dark or light lines or streaks appear in colors, except |
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| black. A toner cartridge might be defective. If the |
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| problem persists, contact a local authorized HP dealer |
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| or service representative for service. |
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| White lines or streaks only appear in the black areas of |
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| print, but not in color areas. Print the configuration page |
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| five times. The defect should clear with continued |
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| printing. Then reprint the print job. If the problem |
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| persists, replace the black toner cartridge. If the |
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| problem persists, contact a local authorized HP dealer |
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| or service representative for service. |
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| Dark or white lines or streaks in all colors, including |
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| black. Print the configuration page five times. The |
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| defect should clear with continued printing. If the defect |
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| does not clear, turn the printer off and on to reset the |
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| printer's density calibration. Make sure that the transfer |
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| belt is seated properly (rest the ends of the belt into the |
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| notches inside the printer). If the problem persists, |
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| replace the imaging drum. For more information on |
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| replacing the imaging drum, see the installation guide |
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| included with the drum kit. |
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| Light streaks in dark solid fill areas might indicate that |
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| the post charger on the transfer drum needs to be |
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| cleaned. Open and close the front door to complete a |
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| printer |
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| clean the post charger. For information on cleaning the |
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| post charger, see “Cleaning the Post Charger” later in |
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| this chapter. |
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EN | Print Quality Problems 189 |