Specifications

NCR RealScan 7883 Installation and Owner Guide
02/05 497-0424789 Release H
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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