Oki ML420n Guide: User's, ML420/421 (English) - Page 60
Troubleshooting
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Chapter 6: Troubleshooting General Information Here are some general things to check before proceeding with detailed troubleshooting. • Is the printer plugged in and turned on? • Are the connections (power and interface) secure? • Is the product being operated under the proper ambient conditions? • Does the paper being used meet the specifications for this product? • Is the paper properly installed? • Is the ribbon properly installed? • Is an Oki ribbon being used? • Is the printhead gap correctly set? • Are the correct printer drivers being used for the printer? Note: Settings in your software application will normally override any settings in your printer driver. Printer driver settings normally override settings from the printer menu or printer front panel. 60