Maintenance Box Resetter For Epson L6170 Page

You drill a hole into the maintenance box, attach a silicone tube, and drain waste ink into an external bottle. This is a common modification for large-format printers. On the L6170, it does not reset the counter – you still need a resetter to clear the error. However, once reset, you’ll never need to buy another box again.

You remove the old sponge, refill with aquarium filter foam, and reinstall. Result? The printer still shows error 0x9B. Won’t work. The digital counter is independent.

Avoid generic eBay resellers selling “universal” resetter dongles for $5. Many are pre-programmed for older models (L210, L355) and will brick your L6170. maintenance box resetter for epson l6170

The Epson L6170 is an EcoTank printer, meaning it has refillable ink tanks. But when the printer cleans its printhead (something it does automatically every few days or manually via software), it flushes a small amount of ink through the system to prevent clogs. That waste ink doesn’t evaporate; it drips into a sponge-filled plastic container called the Maintenance Box (Part Number: C9345 or T6710 depending on your region).

For most L6170 owners, the best balance is either a reputable hardware resetter or WICReset software. You drill a hole into the maintenance box,


Resetting does NOT remove ink from the sponge. If you reset the counter without replacing the box, the printer will eventually force another cleaning cycle, and ink will pour out of the ventilation holes. This can short-circuit the mainboard.

Golden Rule: Reset only after installing a fresh, dry maintenance box. Resetting does NOT remove ink from the sponge


For the L6170, the printer will complain "Maintenance box is full" and stop printing until you replace or reset the chip.