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FS-1010
(6) Black vertical streaks
Contaminated main charger wire.
• Clean the main charger wire by pulling the green colored cleaning knob in and out several times.
Check the drum surface for a streak of toner laying lengthwise.
• A streak of toner remaining on drum after printing means that the cleaning blade (in the process
unit) is not working properly. Replace the process unit.
Defective magnet roller (in the process unit).
• Replace the process unit.
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