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. |
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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 on page 35.) |
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 on page 20. 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 43. | |
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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
Make sure that you use paper that meets our specifications. See
Acceptable paper and other print media on page 15.
| ABCDEFGH |
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| If you use label sheets for laser printers, the glue from the sheets | |
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| abcdefghijk | may sometimes stick to the OPC drum surface. Clean the drum | ||||
| A B C D |
| unit. See Cleaning the drum unit on page 43. | |||
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| a b c d e | Do not use paper that has clips or staples because they will | ||||
0 1 2 3 4 |
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| 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. | |||||
The toner cartridge may be damaged. Put in a new toner | ||||||
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| cartridge. See Replacing the toner cartridge on page 29. | |||||
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| The drum unit may be damaged. Put in a new drum unit. See | |
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| 67 | |