HL-1670N
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常見問題&故障排除 |
White spots on black text and graphics or black spots appear at 94 mm (3.7 in.) intervals.
If the problem is not solved after printing a few pages, the drum unit may have glue from label stock on the OPC drum surface.
Clean the drum unit as follows:
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Position the print sample in front of the drum unit, and find the exact position of the poor print.
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Turn the drum unit gear by hand while looking at the surface of the OPC drum.
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When you have located the mark on the drum that matches the print sample, wipe the surface of the OPC drum with a cotton swab until the dust or paper powder on the surface comes off.
Do not try to clean the surface of the photosensitive drum with a sharp object, such as a ball-point pen, and so on.
If the problem still occurs even after you have cleaned the drum unit, the drum unit may be damaged. Put in a new drum unit. To see how to replace the drum unit, click here.
Also, the toner cartridge may be damaged. Put in a new toner cartrudge, To see how to replace the toner cartridge, click here.
