HL-4000CN
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FAQs & Troubleshooting |
How do I clean the Density Sensor?
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On the printer's right side, press the side of the power switch marked [O] to turn off the printer.
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Push up button "A" (1) and fully open the front cover (2).
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Grip the orange tabs at both ends of the transfer roll and gently lift it out of the printer.
Lift the roll carefully to prevent waste toner from spilling out.
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Gently wipe the density sensor window with a clean dry cloth or cotton swab.
Do not allow anything hard to come in contact with the density sensor window. Do not use excessive force to clean the window.
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Replace the transfer roll cartridge. Grip the orange U-shaped tabs as shown.
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Insert the pins at both ends of the transfer roll cartridge into the bearings inside the printer.
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To lock the transfer roll cartridge into the printer, push down on the tabs until you hear a click.
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Close the front cover.
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On the printer's right side, press the side of the power switch marked [I] to turn on the printer.
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If you need further assistance, please contact Brother customer service:
Related Models
HL-4000CN, HL-4200CN
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