Troubleshooting - Datamax H-Class Manual

Troubleshooting

Use the table below to locate a description of the symptom that best fits the problem and then find a
corresponding solution.
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
CAUTION
the hazardous LED light.

Note: Press FEED to clear a fault.
Problem
No faults are generated when
scanning.
A Scanner Fault is generated
as soon as printer power is
applied to the printer.
Scanner Faults are
generated, but VOID is not
printed on faulted labels.

Note: Normal if the fault
occurs after a label printed.
Unable to capture feedback
data.
(continued)

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.
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.

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.

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.
20
Possible solution...