Black Vertical Streaks - Kyocera FS-1900 Service Manual

(6) Black vertical streaks

ABC
123
Contaminated main charger wire.
• Clean the main charger wire by pulling the green colored cleaning knob in and out several times.
See page 3-9.
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 drum unit
) is not working properly. Replace the drum unit. See page 5-12.
Defective magnet roller (in the developer).
• Replace the developer. See page 5-4.
FS-1900
6-40