HP Deskjet 6122 Color Inkjet Printer - Manual (Page 90)

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Clean the Print Cartridges: Cleans the print cartridges.
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Print a Test Page: Print a test page to see if the printer can receive data.
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Print a Diagnostic Page: Print a diagnostic page when the HP Customer Care
Center requests it.
estimated ink level
The following tools are available on the Estimated Ink Level tab:
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Ink Levels: Approximate ink level for each print cartridge.
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Ordering Button: Access button to HP online ordering (not available in all
countries/regions).
configuration
The following tools are available on the Configuration tab:
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Accessories: Activate the Automatic Two-Sided Printing Module if it is
installed on the printer.
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Messages: Configure software messages.
device services
The following tools are available on the Device Services tab:
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Calibrate the Device: Calibrates the print cartridges.