DCP-B7640DW(B)
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FAQs & Troubleshooting |
Cannot Detect
If the machine's display displays the following cannot detect messeages, follow these steps:
Cause
Action
Remove the toner cartridge and drum unit assembly. Remove the toner cartridge from the drum unit, and reinstall the toner cartridge back in the drum unit.
Reinstall the toner cartridge and drum unit assembly back in the machine.