User`s guide

Condition Suggested solutions
White Spots
White spots appears on the page:
• The paper is too rough and a lot of dirt from a paper falls to
the inner devices within the machine, so the transfer roller
may be dirty. Clean the inside of your machine. Contact a
service representative.
• The paper path may need cleaning. Contact a service
representative.
Vertical lines • If black vertical streaks appear on the page, the drum inside
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the toner cartridge has probably been scratched. Install a
new toner cartridge. See "Replacing the Toner Cartridge".
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• If white vertical streaks appear on the page, the surface of the
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LSU part inside the printer may be dirty. Clean the LSU (see
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"Cleaning the Interior").
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Gray background If the amount of background shading becomes unacceptable:
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• Change to lighter weight pages. See "Identifying Print Media
Sources and Specifications".
• Check the printer’s environment; very dry (low humidity) or
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high humidity (higher than 80% RH) conditions can increase
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the amount of background shading.
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• Remove the old toner cartridge and install a new one. See
"Replacing the Toner Cartridge".
Toner smear • Clean the inside of the printer. See "Cleaning the Interior".
• Check the paper type and quality. See "Identifying Print Media
Sources and Specifications".
• Remove the toner cartridge and install a new one. See
"Replacing the Toner Cartridge".
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