Troubleshooting
Examples of poor print quality | Recommendation | |||
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| Make ten copies of a blank, white sheet of paper. (See How to |
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| copy on page 52.) 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 Cleaning the drum unit on page 74.) |
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| The drum unit may be damaged. Put in a new drum unit. (See |
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| 94 mm | |
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White Spots on black text and |
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graphics at 94 mm intervals |
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94 mm
94 mm
Black Spots at 94 mm intervals
If you use label sheets for laser printers, the glue from the sheets may sometimes stick to the OPC drum surface. Clean the drum unit. (See Cleaning the drum unit on page 74.)
ABCDEFGH |
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| Make sure that you use paper that meets our specifications. (See |
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abcdefghijk |
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A B C D |
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a b c d e | Do not use paper that has clips or staples because they will |
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0 1 2 3 4 |
| scratch the surface of the drum. |
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| If the unpacked drum unit is in direct sunlight or room light, the unit |
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Black toner marks across the | may be damaged. |
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The toner cartridge may be damaged. Put in a new toner | B | ||||
page | |||||
cartridge. (See Replacing the toner cartridge on page 61.) | |||||
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The drum unit may be damaged. Put in a new drum unit. (See Replacing the drum unit on page 66.)
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