Brand: Dell
Category: Printer
Document Type: Manual
Language: EN
Manual for S3840cdn
Uploaded: Sept. 12, 2025, 4:22 a.m.
Manual Publish Date: 2017-02-01
Warranty Information
Refer to the Warranty and Return Policy section for detailed information.
- Connecting the Printer: Follow the setup guide to connect your printer to a computer or network.
- Using the Control Panel: Navigate menus, adjust settings, and manage jobs using the touch panel and buttons.
- Printing: Learn how to send jobs, cancel print jobs, and utilize features like duplex printing and printing from USB.
- Maintenance: Understand how to determine the status of supplies, conserve consumables, and perform cleaning tasks.
- Troubleshooting: Find solutions for common issues such as paper jams, print quality problems, and network connectivity issues.
Troubleshooting and error codes
| Problem | Solution |
|---|---|
| Clearing Jams | See "Clearing Jams" section for detailed instructions for various jam locations. |
| Output is too light | Check toner levels. Adjust print density settings if necessary. |
| Toner smears or print comes off | Ensure correct paper type is loaded. Check toner cartridge installation. |
| Random spots/Blurred images | Clean the print head or drum. Check the print media for issues. |
| The entire output is blank | Verify toner levels and cartridge installation. Check printer settings and driver. |
| Dark or colored streaks appear on the output | Clean the printer's interior components. Replace toner cartridges if necessary. |
| Part of the entire output is black or a color (CMY) is missing | Check toner levels for all colors. Ensure color cartridges are properly seated. |
| Dark and color dots repeating at the same interval | Clean the transfer belt unit. Check for foreign objects inside the printer. |
| Vertical voids or lighter areas | Replace the drum cartridge. Ensure correct paper type is loaded. |
| Ghosting | Adjust the printer's density settings. Check the paper type and condition. |
| Fog (background) | Clean the printer's internal components. Adjust print quality settings. |
| Jagged characters | Check the printer driver settings. Ensure correct font is selected. |
| Banding | Calibrate the printer. Check the print media and environmental conditions. |
| Auger mark | Clean the fuser unit. Ensure correct paper type is loaded. |
| Wrinkled/Stained paper | Use appropriate paper. Ensure paper is loaded correctly in the tray. |
| Damage on the leading edge of paper | Check paper guides and rollers. Ensure paper is not creased or folded. |
| The top and side margins are incorrect | Adjust print settings in the driver or application. Check paper size settings. |
| Color registration is out of alignment | Perform color calibration. Check for any obstructions in the paper path. |
| Images are skewed | Ensure paper is loaded correctly and aligned. Check paper guides in the tray. |
| Tray 1/Optional 550-Sheet Feeder Misfeed Jam | Remove obstructions. Ensure paper is loaded correctly and not creased. |
| Bypass Tray Misfeed Jam | Remove obstructions. Ensure paper is loaded correctly and not creased. |
| Noise | Check for foreign objects. Ensure the printer is on a stable surface. |
| Network-related Problems | Verify network connection. Check IP address settings and network configuration. |
| Wi-Fi Direct Problems | Ensure Wi-Fi Direct is enabled on the printer and the connecting device. |