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NCR RealScan 7883 Installation and Owner Guide
497-0424789 Release F 04/04
33 of 75
There are other conditions that are not identified by the diagnostics when you turn on the RealScan 7883. The following
chart identifies some of the more common problems.
Problem
Status
Indicators
Tone
Possible
Cause
Corrective Action
Scanner does not
operate
Red Off
Green Off
Off No power to the unit
Check the
electrical outlet
for proper power
Verify that AC
Power Cord is
properly
connected
Scanner is quiet Red & Green
flashing
continuously
Off Sleep mode
Pass anything in
front of the
motion detector
Scanner reads only
two labels
Red flashing
Green Off
Off Communications is
IBM 468x and scanner
is off-line
Verify that IBM
host is turned on
Verify that IBM
host is
recognizing the
RealScan 7883
Verify that the
interface cable is
properly
connected
Scanner reads only
two labels
Red On
Green Off
Off NCR 7883 is not
communicating with
the host
Check for
expected
communication
protocol
Check host
terminal for
proper operation
Check interface
cable connections
Scanner does not
read any labels
Red flashing
rapidly
Off Scanner has been
disabled by the host
terminal
Terminal should
enable scanner
later in the
transaction
Scanner does not
read any labels
Red On
Green Off
Off Internal failure
Remove power
from the
RealScan 7883 and
then supply again
Have scanner
repaired