Question about Canon imageCLASS D320 All-In-One Laser Printer

1 Answer

Black streaks Copies have 7 evenly spaced horizontal black streaks on them. Platen glass and cover are clean. Cleaning instructions in Basic Guide pg 7-2 are for D340 only. How do I get to what needs cleaning?

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  • megpmurphy Aug 15, 2008

    Where is the drum located in the Canon D320 copier? Is it a separate internal unit, or is it part of the toner cartridge?

  • Anonymous Mar 24, 2014

    I already cleaned up the cover glass and the scanner glass but did not help.

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  • Canon Master
  • 5,568 Answers

This is caused by a rotating part that is contaminated, most likely the drum that transfers the toner to paper.

A new drum or drum cartridge is probably needed.

There is a very remote chance that the high voltage that charges the drum is being modulated but I have seen this once in decades of service.

Posted on Aug 15, 2008

  • Steve Allison
    Steve Allison Aug 15, 2008

    It is a single-cartridge system which has drawbacks and benefits.



    To cut down on cost of replacement, survey pricing on rebuilt cartridges and look for a company that changes the drum each time.

  • John robinette
    John robinette Jan 14, 2014

    How do I know which drum

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  2. Wipe the platen glass (A), white areas (B), and transparent sheet (C) with a clean, soft, lint-free cloth moistened with water. The MP700 has one even platen glass and does not have an area like the one referenced in area (C).
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    scannerarea.jpg

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Clean the Scanning Area sikaku.gif Cleaning the Platen Glass and Document Cover i_expl.gif Caution
Be sure to turn off the power and disconnect the power cord before cleaning the machine.

i_important.gif Important

bullet_s2.gif The inner side of the Document Cover (white sheet) (C) is easily damaged, so wipe it gently.

bullet_s2.gif If the glass of the ADF (A) is stained with ink, correction fluid, or the like, black streaks may appear on the printed paper when the document is loaded in the ADF. With a clean, soft, lint-free cloth, wipe the glass of the ADF.

With a clean, soft, lint-free cloth, wipe the Platen Glass (D), the inner side of the Document Cover (white sheet) (C), the glass of the ADF (A), and the inner side of the ADF (white area) (B) gently. Make sure not to leave any residue, especially on the Platen Glass.

t_50710ce_mx85095.jpg
sikaku.gif Cleaning the ADF i_expl.gif Caution
Be sure to turn off the power and disconnect the power cord before cleaning the machine.

1. Open the Document Tray.

t_50720ce_mx85096.jpg
2. Open the Feeder Cover.

t_50730ce_mx85097.jpg
3. With a soft, clean, lint-free and dry cloth, wipe off any paper dust from the inside of the Feeder Cover (A).

t_50740ce_mx85098.jpg
4. After wiping, close the Feeder Cover by pushing it until it clicks into place.

5. Close the Document Tray.

6. Reconnect the power cord then turn on the machine.

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