IBM Infoprint 6700 Series User Manual page 324

Chapter 5
Restore The Printer To Operation
Table 17. LCD Message Troubleshooting (continued)
Displayed Message
300 DPI Head
Installed
Ambient light
Validator failure
BAD VFU CHANNEL
BAR CODE IMPROPER
Data Format
BAR CODE QUIET
Zone too small
BATT HIGH VOLT
BATT LOW VOLT
BUFFER OVERFLOW
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Can User
Explanation
Correct?
Yes Normal power-up message.
The printer is running its
initialization routine and
indicating DPI resolution of
the installed printhead.
Yes Ambient light is
compromising proper
scanning.
NOTE: The Validator
scanning laser cannot work
properly in a room with
excessive ambient light,
including direct sunlight.
Yes The user tried to use an
undefined VFU channel.
Yes Data validation error:
improper data format.
Yes Data validation error:
Quiet Zone error.
Yes This is the High Volt Alert
that can be set by the user
(factory default = 16.0 Volts).
This fault detection is only
supported when the ICP
(Intelligent Control Panel)
option is connected to the
printer serial port and Battery
Monitor = Enable in the
BATTERY CONTROL menu.
Yes This is the Low Volt Alert that
can be set by the user
(factory default = 8.5 Volts).
This fault detection is only
supported when the ICP
(Intelligent Control Panel)
option is connected to the
printer serial port and Battery
Monitor = Enable in the
BATTERY CONTROL menu.
Yes Host sent data after the
printer buffer was full (serial
interface).
Solution
No action required.
1. Minimize the ambient light around
the validator. This may require
moving the printer to a darker area
of the room.
2. Press the PAUSE key to clear the
fault message.
Use defined channels.
Fix application so it sends data in the
correct bar code format.
1. Fix application.
2. Disable Quiet Zone Error reports.
1. Raise the value in the High Volt
Alert option in the BATTERY
CONTROL menu.
2. If High Volt Alert = 16.0 Volts and
the fault message remains, call your
authorized service center.
1. Plug the power cart cable into an
AC receptacle to recharge the
battery.
2. If recharging the battery fails to
clear the fault, replace the battery or
batteries.
1. Make a configuration printout.
2. Verify that the printer matches the
host serial interface configuration
settings for Data Protocol, Baud
Rate, Data Bits, Stop Bits, Parity,
Data Terminal Ready, and Request
to Send.
3. Set printer serial interface
parameters to match those of the
host.