Brand: Fujitsu
Category: Printers
Document Type: Manual
Language: EN
Manual for DL7400Pro
Uploaded: Nov. 21, 2025, 8:21 p.m.
Manual Publish Date: 2015-12-01
Warranty Information
No warranty information is available in the provided document excerpts.
Printer Operations (Normal Mode)
The following table summarizes common printer operations in normal mode, indicating when they can be performed and the required user response.
| Operation | Online | Offline | Required Response |
|---|---|---|---|
| Enter normal mode | N/A | N/A | Turn printer on. (Press I on the power switch.) If STANDBY lamp lights, Press any buttons. |
| Place printer offline | ✓ | — | Press ONLINE. |
| Place printer online | — | ✓ | Press ONLINE. |
| Load paper | ✓ | ✓ | Press LOAD. |
| Line feed (forward) | ✓ | ✓ | Press LF/FF within three seconds. |
| Unload paper to park position (both front and rear-fed continuous forms) | ✓ | ✓ | Press LOAD. |
| Form feed (forward) | ✓ | ✓ | Press and hold LF/FF until the operation starts. |
| Eject single sheets | ✓ | ✓ | Press and hold LF/FF until the operation starts. |
| Tear off forms (continuous forms only) | ✓ | ✓ | Press TEAR OFF. Tear off forms, then press any button to retract forms. |
| Micro feed (backward) | ✓ | ✓ | Press MICRO ▲. |
| Micro feed (forward) | ✓ | ✓ | Press MICRO ▼. |
| Select a paper feed direction | ✓ | ✓ | Press FRONT DIR. |
| Select a print mode | ✓ | ✓ | Press PRINT MODE. |
| Set/reset high impact mode | ✓ | ✓ | Press HI IMPACT. |
| Select a paper input source | ✓ | ✓ | Press PAPER PATH. |
| Select a gap mode | — | ✓ | Press AUTO GAP. |
| Save adjusted load positions | ✓ | ✓ | Press ONLINE and LOAD. |
| Select MENU1 or MENU2 | — | ✓ | Press PAPER PATH and HI IMPACT. |
| Clear print buffer | — | ✓ | Press HIIMPACT and PRINT MODE. |
| Reset power-on defaults | ✓ | ✓ | Turn printer off, then on. |
| Start/stop/resume printing | ✓ | — | Start: Send print command. Stop/resume: Press ONLINE. |
| Resume printing after paper | ✓ | — | Press ONLINE. |
Printer Operations (Normal Mode) (Cont.)
| Operation | Online | Offline | Required Response |
|---|---|---|---|
| Enter setup mode | — | ✓ | Press SETUP until the printer beeps. |
| Exit to normal mode | ✓ | ✓ | Start: Turn printer off. Press LF/FF while turning printer on. Pause/resume: Press LOAD. Exit: Press ONLINE. |
| Self-test printing | — | ✓ | Start: Turn printer off. Press LF/FF while turning printer on. Pause/resume: Press LOAD. Exit: Press ONLINE. |
Troubleshooting and error codes
| Problem Area | Specific Problem | Possible Cause | Solution |
|---|---|---|---|
| Print Quality Problems | Print is too light or faint. |
1. Print head is too far from the platen. 2. Print head is dirty. 3. Ribbon is worn out or dry. 4. Print mode is set to High Speed. |
1. Adjust the head gap. 2. Clean the print head. 3. Replace the ribbon. 4. Select High Impact or Quiet mode. |
| Print Quality Problems | Print is smudged or illegible. |
1. Print head is dirty. 2. Ribbon is not installed correctly. 3. Paper is not feeding correctly. |
1. Clean the print head. 2. Reinstall the ribbon. 3. Check paper loading and feed path. |
| Paper Handling Problems | Paper is not feeding. |
1. Paper is not loaded correctly. 2. Paper thickness lever is not set correctly. 3. Tractor unit is not engaged. 4. Paper path is obstructed. |
1. Reload paper. 2. Set the paper thickness lever to the appropriate setting. 3. Engage the tractor unit. 4. Clear any obstructions in the paper path. |
| Operating Problems | Printer does not turn on. |
1. Power cord is not connected properly. 2. Power outlet is faulty. |
1. Ensure the power cord is securely connected to the printer and the outlet. 2. Try a different power outlet. |
| Printer Failures | Printer stops printing unexpectedly. |
1. PAPER OUT condition. 2. Internal error. |
1. Load paper. 2. Check the alarm display or error messages. If the problem persists, contact your dealer. |