How Do I Reset My Epson Wf 3720 Printer Full [updated] Jun 2026

| Error Code | Meaning | Reset Required | |------------|---------|----------------| | 0x9A | Waste ink pad counter full | Adjustment Program reset | | 0x69 | Communication error | Power cycle + USB reconnection | | 0x42 | Fatal internal error | Service menu NVRAM reset | | 0x1F | Ink cartridge not recognized | Factory reset + reinstall cartridges | | Service Required | Generic hardware lock | Waste ink pad reset |

Use this method to clear network settings, scan/fax data, or restore all default configurations for general troubleshooting.

For DIY users: Search for "Epson WF-3720 Adjustment Program" and download the version specific to your printer. Look for a ZIP containing AdjProg.exe .

: On the touchscreen home screen, swipe left or right and tap Settings .

To perform a full factory reset on your Epson WorkForce Pro WF-3720 Go to product viewer dialog for this item. how do i reset my epson wf 3720 printer full

Note: Use with caution. This is for technical maintenance.

Open the software and click "Read Waste Ink Counters" to verify the 100% full status.

By walking through these steps, you can successfully bypass errors, clear out system bugs, and get your Epson WorkForce WF-3720 printing smoothly once again.

Before we begin, it helps to know what each type of reset does. Not every problem requires the most drastic solution. | Error Code | Meaning | Reset Required

Once your Epson WF-3720 restarts from a full reset, follow these best practices to ensure optimal performance:

I can provide specific button combinations or software steps based on what you’re seeing!

When your printer completely freezes, exhibits a blank screen, or refuses to respond to the power button, a software-based factory reset is impossible. A hard power reset drains the printer's motherboard capacitors, clearing corrupt temporary data.

: Scroll down and select System Administration . If prompted for an administrator password, enter the default password (usually the printer's serial number) or your custom code. : On the touchscreen home screen, swipe left

Gently pop out the "unrecognized" cartridge and push it back in until it clicks.

If your printer displays an error stating "A printer's ink pad is at the end of its service life," a standard factory reset will not work. This requires a specific utility.

On the touchscreen, tap the (usually looks like a Wi-Fi signal or an Ethernet node). Navigate to Wi-Fi Setup > Advanced Setup .