Jaffer Lalwani

Opening an Epson LX-310 dot matrix printer usually means either 1) Opening the casing for repair/cleaning or 2) Opening the paper cover to load paper. I'll assume you mean for maintenance since paper loading is straightforward (lift the tractor cover).

Warning: Opening the main casing can be tricky and might void warranties or cause damage if not done carefully. Always unplug the printer first! Generally you'll need to remove the outer shell screws (often hidden under rubber feet or labels). The basic steps: 1) Remove the paper tractor unit (if present) by sliding it forward and lifting. 2) Remove all visible screws on the back and sides. 3) Gently pry apart the plastic housing halves starting from the back—they're usually clipped together. There's often a service manual available online. For a visual guide search for "Epson LX-310 disassembly" on YouTube where you can find step-by-step videos from technicians.

If you're just trying to clear a paper jam often you can access everything through the main cover or by opening the rear paper exit. For routine cleaning of the print head use the printer's self-cleaning utility from the driver software or front panel buttons instead of opening it up.