Troubleshooting
Examples of poor print quality Recommendation
Check the machine's environment. Conditions such as high humidity and high temperatures may cause this print quality problem.
uuProduct Safety Guide: Choose a safe location for your product
If the problem is not solved after printing a few pages, put in a new drum unit.
uu Replacing the drum unit uu page 105
White lines, bands or ribbing
across the page
If the problem is not solved after printing a few pages, the drum unit may have foreign material, such as glue from a label, stuck on the drum. Clean the drum
unit. |
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The drum unit may be damaged. Put in a new drum unit. | ||
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White Spots on black text and graphics at 94 mm intervals
Black Spots at 94 mm intervals |
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| If you use label sheets for laser printers, the glue from the sheets may | |
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| sometimes stick to the OPC drum surface. Clean the drum unit. | |
ABCDEFGH |
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abcdefghijk | ||||||
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A B C D |
| Make sure that you use paper that meets our specifications. | ||||
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a b c d e | ||||||
0 1 2 3 4 |
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| Do not use paper that has clips or staples because they will scratch the | |||
Black toner marks across the | surface of the drum. | |||||
If the unpacked drum unit is in direct sunlight or room light, the unit may be | ||||||
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| damaged. | |
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| The toner cartridge may be damaged. Put in a new toner cartridge. | |
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| The drum unit may be damaged. Put in a new drum unit. | |
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