Dell 3100cn Color Laser Printer - Manual (Page 71)

Contacting Service
When you call for printer service, be prepared to describe the problem you are experiencing or the error message on the display.
You need to know your printer model type and serial number. See the label on the back of the printer near the power cable for this information.
Troubleshooting Guide
Configuration of your printer instructions
User Settings
Menu Map
Setup printing Letter Plain 1 from Multipurpose Feeder
1. On the printer operator panel press MENU.
2. Press to get to Tray Settings.
3. Press to select Tray Settings.
4. Press to get to Paper Size. (ONLY ON 3x00cn)
5. Press to select Paper Size. (ONLY ON 3x00cn)
6. Press to get to MPF. (ONLY ON 3x00cn)
7. Press to select MPF. (ONLY ON 3x00cn)
8. Using and , select the appropriate paper size (Letter). (ONLY ON 3x00cn)
9. Press the middle button, SELECT, once Letter is displayed on the lower line, this puts a * by it. (ONLY ON 3x00cn)
10. Now we have the MPF Size set to Letter. (ONLY ON 3x00cn)