HP OfficeJet Pro K550 User Manual

							ResourceDescriptionLocation
Logs and reportsProvides information about events that
have occurred.See Monitor the printer.
Configuration pageShows printer information (such as the
product name, model number, serial
number, and firmware version
number), the accessories that are
installed (such as the duplex unit), and
the number of pages printed from the
trays and accessories, as well as the
ink level information, and the printhead
health status. If the printer is connected
to a network, an additional network
configuration page is available.See Understanding the configurationpage.
Print quality diagnostic pageDiagnoses issues affecting the print
quality of the printer, and helps you
decide whether to run any
maintenance tools to improve the print
quality of your printouts.See To print the print quality diagnosticpage.
HP websitesProvide the latest printer software, and
product and support information.www.hp.com/support/officejetprok550
www.hp.com
HP telephone support Lists information to contact HP. During
the warranty period, this support is
often free of charge.See Obtaining HP telephone support.
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							Accessibility
Your HP printer provides a number of features that make it accessible for people with disabilities.
Visual
The printer software is accessible for users with visual impairments or low vision through the use of
your operating systems accessibility options and features. It also supports most assistive technology
such as screen readers, Braille readers, and voice-to-text applications. For users who are color blind,
colored buttons and tabs used in the software and on the HP printer have simple text or icon labels
that convey the appropriate action.
Mobility
For users with mobility impairments, the printer software functions can be executed through
keyboard commands. The software also supports Windows accessibility options such as StickyKeys,
ToggleKeys, FilterKeys, and MouseKeys. The printer doors, buttons, paper trays, and paper guides
can be operated by users with limited strength and reach.
Support
For more details about the accessibility of this product and HPs commitment to product accessibility,
visit HPs Web site at 
www.hp.com/accessibility.
For accessibility information for Macintosh operating systems, visit the Apple web site at
www.apple.com/disability.
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							Understanding the printer parts
Front view
1 Control panel
2 Output tray
3 Paper guides
4 Tray 1
5 Tray 2 (HP Officejet Pro K550dtn/K550dtwn)
6 Ink cartridge cover
7 Ink cartridges
8 Printheads
9 Printhead latch
10 Top cover
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							Control panel
For more information about interpreting control-panel lights, see Printer lights reference.
1Power button and light
2Configuration Page button 
 HP Officejet Pro K550dtn 
 HP Officejet Pro K550dtwn
3Cancel button
4Resume button and light
5 Printhead lights
6 Ink cartridge lights
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							Back view
1 USB host connector (connects to USB devices such as flash drives) (HP Officejet Pro K550dtwn)
2 Network connector (HP Officejet Pro K550dtn/K550dtwn)
3 USB connector
4 Power input
5 Rear access panel (HP Officejet Pro K550)
6 Optional automatic two-sided printing accessory (duplex unit) (HP Officejet Pro K550dtn/K550dtwn)
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							2
Installing the accessories
This section contains the following information:
●
Installing the duplex unit
●
Installing tray 2
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							Installing the duplex unit
You can print on both sides of a sheet of paper automatically when the optional automatic two-sided
printing accessory (duplex unit) is installed on the printer. The duplex unit comes with the HP
Officejet Pro K550dtn and HP Officejet Pro K550dtwn printers. For information on using the duplex
unit, see 
Printing on both sides (duplexing). See also Accessories for ordering information.
To install a duplex unit
1.Push the buttons on the rear access panel and remove the panel from the printer.
2.Slide the duplex unit into the printer until the unit locks into place. Do not press the buttons on
either side of the duplex unit when installing the unit; use them only for removing the unit from
the printer.
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							Installing tray 2
Tray 2 can hold up to 350 sheets of plain paper. It comes with the HP Officejet Pro K550dtn and HP
Officejet Pro K550dtwn printers, and is an optional accessory for the HP Officejet Pro K550 printer.
See 
Accessories for ordering information.
To install tray 2
1.Unpack the tray, remove the packing tapes and materials, and move the tray to the prepared
location. The surface must be sturdy, level, and located in a well-ventilated area. Allow space
around the printer, including 50 mm (2 inches) for ventilation.
2.Turn off the printer, and disconnect the power cord.
3.Set the printer on top of the tray.
CAUTIONBe careful to keep your fingers and hands clear of the bottom of the printer.
4.Connect the power cord and turn on the printer.
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