User's Manual

9 Solve problems
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Customer support
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Interpret control-panel light patterns (LED control panels only)
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Control panel help system (touchscreen models only)
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Restore the factory-set defaults
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A “Cartridge is low” or “Cartridge is very low” message displays on the printer control panel or EWS
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Product does not pick up paper or misfeeds
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Clear paper jams
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Clean the ADF replaceable film assembly
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Improve print quality
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Improve copy and scan image quality
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Improve fax image quality
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Solve wired network problems
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Solve wireless network problems
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Solve fax problems
For more information:
The following information is correct at the time of publication. For current information, see
www.hp.com/
support/ljM129MFP.
HP's all-inclusive help for the printer includes the following information:
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Install and configure
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Learn and use
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Solve problems
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Download software and firmware updates
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Join support forums
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Find warranty and regulatory information
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