FAX-2840
FAQs & Troubleshooting
Black toner marks across the page
Please check the following points to solve the problem:
If you use label sheets for laser printers, the glue from the sheets may sometimes stick to the OPC drum surface. Clean the drum unit. Please refer to the instructions, "Clean the drum unit."
Make sure that you use paper that meets our specifications. Please refer to FAQs, "What kind of paper can I use?" and "What is the recommended paper?"
Do not use paper that has clips or staples because they will scratch the surface of the drum.
If the unpacked drum unit is in direct sunlight or room light, the unit may be damaged.
The toner cartridge may be damaged. Put in a new toner cartridge. Please refer to the instructions, "REPLACE TONER".
The drum unit may be damaged. Put in a new drum unit. Please refer to the instructions, "REPLACE DRUM".
If your question was not answered, have you checked other FAQs?
Have you checked the manuals?
If you need further assistance, please contact Brother customer service:
Related Models DCP-7055, DCP-7055W, DCP-7060D, DCP-7065DN, DCP-7070DW, DCP-8110DN, DCP-8250DN, FAX-2840, FAX-2940, HL-5440D, HL-5450DN, HL-5450DNT, HL-5470DW, HL-6180DW, HL-6180DWT, MFC-7360N, MFC-7460DN, MFC-7860DW, MFC-8510DN, MFC-8520DN, MFC-8950DW, MFC-8950DWT
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Error Messages Paper Feed / Paper Jam Copy Telephone Fax Mobile Others Advanced Functions (for Administrators) Product Setup Consumables / Paper / Accessories Cleaning Specification
Settings/Management
Error Message on Machine's Display Error Message on Mobile Device
Paper Jam Paper Feed Problem
Copy Quality Problem General Copy Problem Copy Operation Copy Settings / Management
Telephone Problem Telephone Operation Telephone Settings
Cannot Send a Fax Cannot Receive a Fax Fax Quality Problem General Fax Problem Fax Sending Operation Fax Receiving Operation Fax Settings / Management Tips for Fax
AirPrint (iOS) Android™ Device-related Problem Brother iPrint&Scan / Mobile Connect (Android™)
Machine problem
Machine Setup / Settings
Consumables Paper
Cleaning
Product Specification Paper Specification