Epson LQ-850X Product Information Guide

To load paper, ensure the printer is turned on, open the paper guide, adjust the paper thickness lever, and insert the paper into the paper slot until it meets resistance. Align the paper guides with the edges of the paper.
First, ensure the ribbon cartridge is correctly installed and not worn out. Check the printer settings to confirm that it is not set to print blank pages. If the problem persists, clean the print head or replace the ribbon cartridge.
To improve print quality, ensure you're using the correct paper type and that the ribbon cartridge is not worn. Clean the print head and adjust the print head gap lever according to the paper thickness.
Turn off the printer and unplug it. Open the printer cover and gently clean the print head with a soft, lint-free cloth dampened with water. Avoid using alcohol or solvents. Allow it to dry completely before closing the cover.
Turn off the printer and open the cover. Carefully remove any jammed paper without tearing it. Check for any remaining scraps inside the printer. Reload the paper and ensure it is straight and aligned properly.
A grinding noise could indicate a misalignment or obstruction. Turn off the printer and check for any foreign objects inside. Ensure that the paper is loaded correctly and the print head is not obstructed.
Check that all cables are securely connected and the printer is powered on. Ensure the correct printer drivers are installed on the computer. Try using a different USB port or cable if necessary.
Turn off the printer and open the printer cover. Lift the old ribbon cartridge out, and insert the new cartridge by aligning it with the holders. Ensure the ribbon is taut and close the cover before turning the printer back on.
Ensure the paper is loaded properly and the paper guides are aligned with the edges of the paper. Check for any obstructions in the paper path and clean the paper feed rollers if necessary.
You can check the printer status through the control panel on the printer or via the printer software installed on your computer. Look for any error lights or messages that indicate the printer’s current status.