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If the machine remains in standby mode without paper or toner in it for a long time, friction between the pressure roller and the cleaning web may cause dust to accumulate, resulting in streaks.
This may occur when either of the following conditions is met:
The Low Power Mode Timer function in System Settings, which specifies the length of time before switching to low-power mode, is set to a long time.
Paper with excessive dust is used.
The printing amount each month is small (less than approx. 30,000 pages).
