HL-4000CN
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FAQs & Troubleshooting |
My print out is smudged.
Dirt may exist in the paper path, try printing several blank sheets. If the problem remains the print head cartridge, transfer roll cartridge or fuser unit may be old or damaged. check these items and replace them as necessary.
- To see how to replace the print head cartridge, click here.
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To see how to replace the transfer roll cartridge, click here.
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To see how to replace the fuser unit, click here.
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