MFC-9340CDW
FAQs & Troubleshooting |
Colored spots at 94 mm (3.7 in.) intervals or at 24 mm (0.9 in.) intervals
Follow the instructions below for your case:
- Case 1: Colored spots at 94 mm (3.7 in.) intervals
- Case 2: Colored spots at 24 mm (0.9 in.) intervals
Case 1: Colored spots at 94 mm (3.7 in.) intervals
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.
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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.
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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 3, and install a new drum unit of the color. Click here to see how to replace the drum unit.
Case 2: Colored spots at 24 mm (0.9 in.) intervals
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.
-
The toner cartridge may be damaged. Install a new toner cartridge as follow:
- Click here to print the chart. [11KB/ PDF]
- Compare your printed document with the printed chart to identify the color causing the problem.
- Replace the toner cartridge of the color. Click here to see how to replace the toner cartridge.
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