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MacBook (13-inch) Additional Procedures — Mitsumi Keycaps — 305
ISO Keyboard Layout:
JIS Keyboard Layout:
Procedure
Like the Darfon keyboard, the Mitsumi keyboard is integrated in the top case and cannot be
removed from the top case. The Mitsumi keyboard comes in three versions: ANSI, ISO, and JIS. The
square keycaps for all three versions use the same dual-hinge mechanism inside the keycap well
with one stabilizer bar inside the keycap.
For the Space bar replacement, the ANSI and ISO Space bar keycaps look the same: two single-
hinge mechanisms and two stabilizer bars in the keycap well. The JIS Space bar keycap, by
contrast, has two dual-hinge mechanisms and two stabilizer bars.
Once you are experienced replacing square keycaps and the Space bar, you can easily replace
other size keys because of their shared traits. For example, the ANSI Return keycap has a dual-