Datamax-O'Neil H-Class Linear Scanner Option - Manual (Page 22)

20
Troubleshooting
Use the table below to locate a description of the symptom that best fits the problem and then find a
corresponding solution.
CAUTION
The Linear Scanner contains no user serviceable parts. All product service must be
performed by Datamax-O’Neil. Opening the device will void the warranty and could expose
the hazardous LED light.

Note: Press FEED to clear a fault.
Problem Possible solution…
No faults are generated when
scanning.
 If the barcodes are faulty, the scanner may not be enabled: Ensure that the
MODE is set to Auto, or Enabled; see Operation.
 The scanner may be disconnected: Turn OFF the printer. Ensure that the
Connector Cable is attached (look for the red glow at power-up); see Operation.
A Scanner Fault is generated
as soon as printer power is
applied to the printer.
The scanner may be disconnected while Enabled: Turn OFF the printer. Ensure
that the Connector Cable is attached (look for the red glow on power-up); otherwise,
to continue printing without scanning, change the MODE setting to Auto, or
Disabled; see Operation.
Scanner Faults are
generated, but VOID is not
printed on faulted labels.
 Note: Normal if the fault
occurs after a label printed.
 Ensure the FAULT HANDLING – LEVEL is set to VOID AND RETRY; see
Operation.
 Ensure that sufficient text space exists by adjusting the VOID DISTANCE; see
Operation.
Unable to capture feedback
data.
 Ensure that OPTION FEEDBACK (Host Settings) is enabled; see Operation.
 Depending upon your communication interface, ensure that a bi-directional
cable is being used; see the Operator’s Manual.
 If using parallel communications, ensure that BI-DIRECTIONAL
(Communications) is enabled; see the Operator’s Manual.
 Depending upon your communication interface, ensure that your host device
settings match those of the printer, and that your software program is set to
parse the received data.
(continued)