Troubleshooting for Excel Series Printers FAQ

• Check main switch (right-hand side). Should be in “up” position.
◦ Circuit breaker activated. Press button on the main connection block.
◦ 9-volt battery flat. Do not replace when power is off. Measure voltage at battery or call the hotline.

If the printer is running normally but no display is visible, adjust the contrast. Please call the hotline.

• Check input pressure on pressure gauge (approx. 6 bar).
• Check quality of compressed air. It must be free of oil and water.

• Check the fluid level (make-up, ink).
• If the level is OK, please call the hotline.

• Is the head dirty? Turn the printer off, clean with make-up solution, dry the printhead and re-start.
• Check ink expiry date and replace with fresh ink if expired.

• Is there a jet? If not, the nozzle is blocked.
• The catcher may be overflowing and the return suction line blocked. It should be cleaned.

• Cleaned too often or for too long, too much fluid in the module.
• Drain some fluid (approx. 20ml) from the module. Call the hotline.

• High Voltage plates in the printhead are dirty. Clean.
• Short circuit through ink. Clean head thoroughly.

• Check ink pressure (left-hand pressure gauge). If necessary, call the hotline.
• Check ink expiry date. Ink viscosity may be too low.
• Replace with fresh ink.

• Check ink system for leaks.
• Replenish ink.