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NCR RealScan 7882 Installation and Owner Guide
09/02 497-0419630 Release F
30 of 62
There are other conditions that are not identified by the diagnostics when you turn on
the RealScan 7882. 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 powe
r
Verify that AC
Power Cord is
properly
connected
Scanner is quiet
R
ed & Gree
n
flashing
c
ontinuousl
y
Off
Sleep mode
Pass anything in
front of the
motion detector
Scanner reads only
two labels
Red flashing
Green Off
Off
Communications is
I
BM 468x and scann
er
is off-line
Verify that IBM
host is turned on
Verify that IBM
host is
recognizing the
RealScan 7882
Verify that the
interface cable is
properly
connected
Scanner reads only
two labels
Red On
Green Off
Off
RealScan 7882 is not
communicating with
the host
Check for
expected
communication
protocol
Check host
terminal for
proper operation
Check interface
cable connection
s
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
RealScan 7882
and then supply
again
Have scanner
repaired