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Resetting user defaults
When formatting problems occur or unexpected characters print, try resetting the printer default
settings to your user defaults. Press and hold the operator panel button until all of the lights come on.
Using the special function menu
Printer settings for solving print quality problems are found in the special function menu: restore
factory defaults, Hex Trace, print quality test pages, and advanced troubleshooting mode.
To enter the special function menu:
1 Turn off the printer.
2 Open the top cover.
3 Turn the printer back on.
4 When the Error light comes on, indicating the top cover is open, press and release the
operator panel button twice quickly (double-button press).