- Hewlett-Packard Scanner Setup And Support Guide
Manuals
Brands
HP Manuals
Scanner
7400c
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Installing and troubleshooting
3
.
Unlock
the scanner
Use your
finger to flip
the lock down
to the unlocked
position. If
the lock is no
t
comple
tely in the unlock
ed position,
you will
hear a grindi
ng noise when y
ou try
to scan
.
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...
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