OKIDATA Pacemark 3410 Service Handbook page 211

9. Strange symbols and incorrect fonts appear during a print run.
The printer driver does not agree with the emulation selected for the printer.
OR
Incorrect printer commands are embedded within the software.
To check the selected emulation, follow this procedure.
1.
2.
3.
4.
5.
6.
If the emulation is correct, check the software documentation on how to select
a printer driver. Verify that the selected driver is correct for the emulation.
Refer to the Printer Handbook. Drivers near the top of the list are more
compatible with the printer than drivers near the bottom of the list. If the
software does NOT offer any driver on the list, check with the software
manufacturer to see if additional drivers have been added since the software
was purchased.
Verify that any embedded commands in the software have been correctly
entered.
10. TOP OF FORM, MICRO FEED UP / DOWN, PRINT QUALITY, and
CHARACTER PITCH (on the operator panel) do not work.
The Operator Panel Function Item in the Printer Menu can be set to enable
(FULL OPERATION) or disable (LIMITED OPERATION) these features. If
the printer is part of a customized system or if it is used by different
operators, a system manager may be using this feature to maintain proper
print settings.
To activate these switches, power OFF the printer. Press and hold PRINT
QUALITY and CHARACTER PITCH while powering ON the printer.
Follow the normal menu procedures to set the Operator Panel Function Item
to FULL OPERATION.
Pacemark 3410 Service Handbook
Verify that the printer is loaded with paper and that the ribbon and
printhead are installed.
Verify that the printer is powered ON.
Press PRINT QUALITY and CHARACTER PITCH to enter Menu Mode.
A line will print, indicating the emulation selected.
Press SET to change the emulation.
Press SELECT to exit Menu Mode.
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