￿If your printer does not turn on, make sure that the power cord and power adapter are firmly connected to the printer and that the power cord is connected from your printer to a working outlet.

￿Try turning the printer off and then on again. If this does not solve the problem, turn off the printer, unplug the power adapter from the printer, wait a few seconds, and reconnect the power.

￿If you still cannot turn the printer on, you might have a faulty power cord. Unplug the printer and call HP Customer Support. For information about contacting HP, see Customer Support.

￿If you are using battery power, check the Power LED to make sure the battery power is not low:

Lights up in green when 41-100% charged

Lights up in amber when 10-40% charged

Lights up in red when less than 10% charged

For more information, see Charging and using the battery.

If you tried to print when the printer was off, an alert message should have appeared on your computer screen. If the printer was off and you did not see a message when you tried to print, the printer setup might be incorrect. To correct this, reinstall the software that came with your printer.

Check the front access cover

Make sure the front access cover is closed.

Check the printer setup

￿Ensure that the correct port is selected and that the printer is connected directly to your computer.

￿Make sure the USB or parallel cable is connected firmly to the printer and the computer. Check that only one cable is connected. Do not connect more than one interface cable (parallel or USB) to the printer at the same time. If two cables are connected, turn off the printer and disconnect the cable you are not using.

￿For Windows, check to make sure Pause Printing is not selected. Click Start > Settings > Printers. In the Printers folder, right-click the printer icon. If Pause Printing is checked in the drop-down menu, click it to deselect it.

For Macintosh, check to make sure Stop Print Queue in the Mac desktop’s Printing menu is not selected.

￿Check to make sure your printer is selected as the current or default printer. The default printer is the one that is used if you choose the Print command without first specifying which printer you want to use with an application. The default printer should be the printer that you use most often.

For Windows, if the printer selection is a problem, click

Start > Settings > Printers. In the Printers folder, right-click the printer icon and click Set As Default Printer in the pop-up menu.

For Macintosh, see Printing from Macintosh.

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HP 450 manual Check the front access cover, Check the printer setup

450 specifications

The HP 450CBi, 450Ci, 450, and 450wbt are versatile and powerful devices designed for a variety of printing needs, catering primarily to business and professional environments. These models from HP are celebrated for their robust performance, reliability, and advanced features.

The HP 450CBi stands out with its high-speed printing capabilities, making it ideal for busy office settings. It utilizes thermal inkjet technology, which allows for sharp text and impressive graphics. This model supports a range of media sizes, enhancing its versatility in handling different printing tasks. Notably, the 450CBi is equipped with a user-friendly interface, allowing users to navigate effortlessly through printing options.

The HP 450Ci enhances these features further by integrating color printing capabilities. It boasts a remarkable color capacity, enabling users to produce vibrant documents and marketing materials. The 450Ci is also designed with connectivity in mind, featuring USB and network options that facilitate easy sharing in office environments. This model incorporates HP's innovative technology for precise color matching, ensuring consistent and professional results every time.

The HP 450 and 450wbt models cater to those seeking a more streamlined and efficient printing experience. Both models are characterized by their compact design, making them suitable for limited workspace without compromising on functionality. They are equipped with HP's SmartInstall technology, allowing for quick and hassle-free setup. The 450wbt, in particular, includes wireless printing capabilities, which provides users with the flexibility to print from various mobile devices.

All models are designed with user convenience in mind, featuring easy-to-replace cartridges and minimizing downtime. The enhanced user interface across the line ensures that operators can quickly adjust settings and monitor print jobs with ease. Energy-efficient features are also a key characteristic, aligning with modern sustainability goals while reducing overall operation costs.

In summary, the HP 450 series, including the 450CBi, 450Ci, 450, and 450wbt, offers a comprehensive solution for anyone in need of reliable, high-quality printing. With advanced technologies, user-friendly interfaces, and connectivity options, these printers are equipped to handle the demands of any professional environment with ease and efficiency. They represent HP's commitment to innovation and quality in printing technology.