White vertical streaks on one color imageUser Check
-Clean the scanner windows of the appropriate color with a soft
-Check if there is no dust in the gap between the toner cartridge and drum frame.
-Replace the toner cartridge with a new one.
-Check the machine’s environment. High temperature and high humidity conditions can cause this problem.
-Damp (wet) paper might be used. Try changeing to fresh unopened paper.
Step | Cause | Check | Result | Remedy |
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1 | Condensation | Has condensation | Yes | Try to print several pages |
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| occurred inside the |
| or leave the machine 2 |
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| machine? |
| hours to allow it to reach |
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| room temperature. |
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2 | Transfer failure | Is the transfer roller of the | Yes | Replace the drum unit. |
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| appropriate color |
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| scratched? |
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3 | Scanner windows | Is the problem solved | Yes | Replace the laser unit. |
| failure | after replacing the laser |
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| unit? |
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White horizontal stripes on one color imageUser Check
-Check that the appropriate media type is selected in the printer driver.
-The problem may disappear by itself. Try printing multiple pages to clear this problem especially if the machine has not been used for a long time.
-The drum unit may be damaged. Replace the drum unit with a new one.
Step | Cause | Check | Result | Remedy |
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1 | Toner cartridge | Are the electrodes on the | Yes | Clean both electrodes |
| electrode | toner cartridge and |
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| connection failure | machine body dirty? |
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Confidential |