Cleaning the ADF (Auto Document Feeder) - TR8520

Article ID: ART176800 | Date published: 05/21/2020 | Date last updated: 05/21/2020
 

Description

If you get vertical black lines / streaks when copying, scanning, or faxing with the ADF (Auto Document Feeder), it may need to be cleaned.

Solution

Cleaning the ADF (Auto Document Feeder)

Be sure to use a soft, clean, lint-free and dry cloth to clean the ADF (Auto Document Feeder).

 Important notes

  • Be sure to turn off the power and unplug the power cord before cleaning the printer.

    • The power cannot be turned off while the printer is sending or receiving a fax, or when unsent faxes are stored in the printer's memory. Make sure if the printer completed sending or receiving all the faxes before unplugging the power cord.

    • The printer cannot send or receive faxes when the power is turned off.

    • If the power cord is unplugged, the date/time settings will be reset and all documents stored in the printer's memory will be lost. Send or print a necessary document before unplugging the power cord.

  • Do not use tissue paper, paper towels, rough-textured cloth, or similar materials for cleaning so as not to scratch the surface. Paper tissue powder or fine threads may remain inside the printer and cause problems such as print head blockage and poor printing results.

  • Never use volatile liquids such as thinners, benzene, acetone, or any other chemical cleaner to clean the printer, as this may cause a malfunction or damage the surface of the printer.

  1. Open the document cover.

    Open the document cover on top of the printer
  2. Open the document feeder cover.

    Open the document feeder cover on top of the printer
  3. Use a cloth to wipe off any paper dust inside the document feeder cover (A).

    Wipe any paper dust inside the document feeder cover
  4. When finished, push the document feeder cover closed until it clicks into place.

  5. Close the document tray.

If you continue to experience streaks when using the ADF, your printer will require servicing.

If your product issue was not resolved after following the steps above, or if you require additional help, please create or log in to your Canon Account to see your technical support options.
 


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