Check the following points to resolve the issue:
Make sure the two green levers inside the back cover are in the up position. Pull up the two green levers until they stop.
- Make sure the Media Type setting in the driver matches the type of paper you are using.
- Select Improve Toner Fixing mode in the printer driver. If this selection does not provide enough improvement, change the printer driver setting in Media Type to a thick setting. If you are printing an envelope, choose Env. Thick in the media type setting.
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