Epson QX-10 - Manual (Page 35)

main unit. Snap off the selected access slot while gripping the
neighboring access slot(s) with your other hand. Now slide the
remaining access slots back into place.
Replacing the Cover
With the cover in a vertical position, fit the two hinges into their
holes on the front of the main unit, then lower the cover. It should
fit snugly. Replace the screws on the lower back end to secure the
cover of the main unit.
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