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If your printout still contains illegible characters, your printer driver might be corrupted. Try reinstalling your printer driver.
You're using the wrong printer driver for your printer.
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Many printers can emulate several different printers. Controls on the printer itself usually set the mode. When you prepare a printer to print. make sure your printer is in the same mode as the printer you've selected in the Printer Setup dialog. If necessary, refer to your printer manual for clarification.
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