HL-5590DN
常见问题解答与故障排除 |
White spots on black text and graphics or black spots appear at 94 mm (3.7 in.) intervals.
Please check the following points to solve the problem:
- 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. Please refer to the FAQ "Clean the Drum Unit".
- The drum unit may be damaged. Put in a new drum unit. Please refer to the FAQ "Replace Drum".
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