NCR 7883 manual Then supply again

NCR RealScan 7883 Installation and Owner Guide

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.

	Status		Possible
Problem	Indicators	Tone	Cause	Corrective Action
Scanner does not	Red Off	Off	No power to the unit	•	Check the
operate	Green Off				electrical outlet
					for proper power
				•	Verify that AC
					Power Cord is
					properly
					connected
Scanner is quiet	Red & Green	Off	Sleep mode	•	Pass anything in
	flashing				front of the
	continuously				motion detector
Scanner reads only	Red flashing	Off	Communications is	•	Verify that IBM
two labels	Green Off		IBM 468x and scanner		host is turned on
			is off-line	•	Verify that IBM
					host is
					recognizing the
					RealScan 7883
				•	Verify that the
					interface cable is
					properly
					connected
Scanner reads only	Red On	Off	NCR 7883 is not	•	Check for
two labels	Green Off		communicating with		expected
			the host		communication
					protocol
				•	Check host
					terminal for
					proper operation
				•	Check interface
					cable connections
Scanner does not	Red flashing	Off	Scanner has been	•	Terminal should
read any labels	rapidly		disabled by the host		enable scanner
			terminal		later in the
					transaction
Scanner does not	Red On	Off	Internal failure	•	Remove power
read any labels	Green Off				from the
					RealScan 7883 and
					then supply again
				•	Have scanner
					repaired

497-0424789 Release F 04/04 33 of 75