HP Officejet Pro 251dw Printer series - Manual (Page 8)

Printhead maintenance.............................................................................................................78
Clean the printhead............................................................................................................78
Calibrate the linefeed..........................................................................................................79
Align the printhead..............................................................................................................79
Reinstall the printhead........................................................................................................80
Understand the network configuration page.............................................................................82
Clear jams.................................................................................................................................84
Clear paper jams................................................................................................................84
Avoid paper jams................................................................................................................86
A Technical information
Warranty information................................................................................................................87
Hewlett-Packard limited warranty statement......................................................................88
Ink cartridge warranty information......................................................................................89
Printer specifications................................................................................................................90
Physical specifications........................................................................................................90
Product features and capacities.........................................................................................90
Processor and memory specifications................................................................................91
System requirements..........................................................................................................91
Network protocol specifications..........................................................................................91
Embedded web server specifications.................................................................................91
Paper specifications...........................................................................................................92
Understand specifications for supported paper............................................................92
Set minimum margins...................................................................................................95
Guidelines for printing on both sides of a page............................................................95
Print specifications..............................................................................................................96
Web Services specifications...............................................................................................96
HP ePrint......................................................................................................................96
Printer Apps..................................................................................................................96
HP website specifications...................................................................................................96
Environmental specifications..............................................................................................96
Electrical specifications.......................................................................................................97
Acoustic emission specifications........................................................................................97
Memory device specifications.............................................................................................97
Memory card specifications..........................................................................................97
USB flash drives...........................................................................................................97
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