HL-3140CW
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FAQs & Troubleshooting |
White spots or hollow print
Check the following points to solve the problem:
- To get the best print quality, we suggest using the recommended paper. Check that you are using paper that meets our specifications. Click here to see details of the recommended paper.
- The drum units or toner cartridges may not be installed correctly. Check that the drum units or toner cartridges are installed correctly.
- Click here to see how to install the drum unit.
- Click here to see how to install the toner cartridges.
- Make sure that the media type setting in the printer driver matches the type of paper you are using.
- Check the machine's environment. Conditions such as high humidity can cause hollow print.
Temperature: 10ºC to 32.5ºC (50ºF to 90.5ºF)
Humidity: 20% to 80% (without condensation)
- If the problem is not solved after printing a few pages, foreign material, such as glue from a label, may be stuck on the drum surface. Clean the drum unit as follows:
- Click here to print the chart. [345KB/ PDF]
- Compare your printed document with the printed chart to identify the color of the drum unit causing the problem.
- Clean the drum unit of the color. Click here to see how to clean the drum unit.
- The drum unit may be damaged. Identify the color causing the problem by using the chart printed in Step 5, and install a new drum unit of the color. Click here to see how to replace the drum unit.
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