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even though the sheet is being fed properly, you can press
the Next Display button after the error occurs to override
the error on the next sheet. Pressing Next Display twice will
disable this error for the remaining batch. Take care to insert
sheets properly after disabling this error detection.
Advantage Will Not Power On
Check the power supply to ensure it is rmly inserted into
the scanner’s power socket and into the electrical outlet. Make
sure the power supply is labeled with the Advantage logo. The
power supply should be rated as 24 volts DC, 400mA.
Rows in Sheet Differs from Key
This error generally occurs when the student answer sheet
does not match the form used as a key. If the answer sheets
differ from the key either remark the answer sheets onto forms
which match the key or remark the key to match the form
used on the answer sheets. If the sheets are identical, erase
any extraneous marks made on the answer sheet or the key
that appear near the black timing marks on the left edge or the
black markings at the top of the sheets. If the problem persists
try re-calibrating the scanner, (refer to page 19 — Calibrating
Advantage).
Motor Runs Continuously
Power off the scanner, by unplugging the power supply.
Wait 5 seconds and replug the power supply. If the motor con-
tinues to run, call Apperson for service at: 800.827.9219.
Troubleshooting . . .
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