Troubleshooting
Examples of poor print quality | Recommendation | ||
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| Check the machine’s environment. Conditions such as high |
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| humidity and high temperatures may cause this print quality |
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| problem. (See Product Safety Guide: Choosing a location.) |
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| If the problem is not solved after printing a few pages, put in a new |
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| drum unit. (See Replacing the drum unit uu page 62.) |
White lines, bands or ribbing |
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across the page |
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| Make ten copies of a blank, white sheet of paper. (See How to |
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| copy uu page 45.) If the problem is not solved, the drum unit may |
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| have glue from a label stuck on the OPC drum surface. Clean the |
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| 94 mm | drum unit. (See Advanced User’s Guide: Cleaning the drum unit .) |
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| (3.71 in.) | The drum unit may be damaged. Put in a new drum unit. (See |
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| 94 mm | |
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| (3.71 in.) |
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White Spots on black text and graphics at 94 mm (3.71 in.) intervals
94 mm (3.71 in.)
94 mm
(3.71 in.)
Black Spots at 94 mm (3.71 in.)
intervals
B
95