How to Use the Adjustment Program for Epson L850 Printers

If you're experiencing issues with your Epson L850 printer, such as faint prints or missing dots, cleaning the print head may be the solution. The adjustment program is a software tool that allows you to clean and maintain your printer's print head.

To access the adjustment program, follow these steps:

1. Open the Head Cleaning utility in the printer software or use the control panel buttons on the printer itself.

2. If you encounter any issues during the process, consider seeking help from a professional printer repair technician.

Using the Adjustment Program

Once you've launched the adjustment program, you'll need to follow several prompts to complete the process:

1. Right-click Adjprog and select Properties, then check the box 'Run this program in compatibility mode for' and click OK.

2. After finishing with the adjustment program, normalize your date and time settings.

3. Delete the Adjustment Program folder on drive C.

Common Issues and Solutions

If you encounter any errors during the process, refer to the troubleshooting guide below:

* Error: This program cannot be used or CRC checksum error

+ Try running Adjprog as an administrator by right-clicking and selecting 'Run as administrator.'

+ If the issue persists, disable your antivirus software and Windows Defender for a while.

* Error: Unknown Exception

+ Copy the key to the L3110/L405/L4150 reset folder.

+ Open Keygen and select WLGen Epson L405/L110/L4150.

* Printer doesn't respond to commands from Adjustment Program

+ After

Adjustment program epson l850