| Troubleshooting |
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Examples of poor print | Recommendation |
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quality |
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| ■ If the problem is not solved after printing a few pages, the drum unit may have |
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| glue from label stock on the OPC drum surface. |
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| Clean the drum unit as follows: | 6 |
75 mm |
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(3.0 in.) | 1 Position the print sample in front of the drum unit, and find the exact |
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75 mm | position of the poor print. |
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(3.0 in.) |
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White Spots on black text and |
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graphics at 75 mm |
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(3.0 in.) intervals |
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75 mm |
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(3.0 in.) | 2 Turn the drum unit gear by hand while looking at the surface of the OPC |
75 mm | drum. |
(3.0 in.) |
Black Spots at 75 mm
(3.0 in.) intervals
3When 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.
Note
Do not try to clean the surface of the photosensitive drum with a sharp object.
■The drum unit may be damaged. Put in a new drum unit. See Replacing the drum unit on page
6 - 12