Troubleshooting Graphics Problems

Problem

Strange dot patterns appear in graphics printouts

Printer freezes when printing graphics

Text appears as random graphics characters

You don’t see the graphics characters you expect or italics are printed instead of graphics

Recommendation

Many computers have problems sending one or more of the codes between 0 and

13.Try to avoid these characters if possible.

Be sure that no other commands or carriage returns come between the graphics command and its data.

If the printer freezes in graphics mode, you have sent too few columns of data. Be aware that in 24-pin graphics mode three data bytes per column of graphics are required.

If you interrupt the computer while it is printing in graphics mode, for example during a screen dump, it may not reset the printer to text mode. If not, the next text printed will be interpreted by the printer as graphics data. Turn off the printer and turn it back on again to reset it.

Select the LQ-2500 printer from the printer driver list in your application program. Make sure you select the Graphic option from the SelecType CG TABLE. If your application program does not list the LQ-2500. or the LQ-80011000 with the ESClP module, check with your dealer to find out whether you can obtain an upgrade for the software that supports the LQ-2500.

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Problem Solving and Maintenance