User`s manual

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your printer port supports ECP or EPP mode, the
initialization speed is much faster, about 20 seconds.
Question: Why my GDI printer does not work with the SC-210?
Answer: Disable the Auto Scan function in the application,
then your printer will function in normal working
condition.
Question: Why some parallel port devices and software’s keypro
do not work with the SC-210?
Answer: The SC-210 do support pass-through printing, but the
pass-through printing may not work if you connect the
parallel port with devices other than printer. Therefore,
if you would like to connect some parallel port devices
other than printer, please do not connect them to the
same parallel port that the SC-210 currently uses. It
is suggested to use other parallel ports to connect
these devices or keypro. For instance, you can
connect the SC-210 to LPT1, and connect other
parallel port devices to LPT2. Or you can add a data
switch to avoid the problem.