Inspect the spacebar paralell guide wire. When depressing the spacebar on the right or left side extreme the spacebar other side should travel down at the same time. If not the spacebar will not actuate the electronic keyswitch under the spacebar. Most likely, the keyswitch is defective and requires replacement.
SM9 that skips every 13 character. In other words, it types 12 characters, and then skips a space....
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SM9 that skips every 13 character. In other words, it types 12 characters, and then skips a space. It repeats this pattern. How do you change this setting?