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General| Print speed (black, normal quality, A4/US Letter) | 20 ppm |
|---|---|
| Functions | Print, Scan, Copy |
| Connectivity | USB 2.0 |
| Supported Operating Systems | Windows |
| Weight | 5.3 kg |
Lists items included in the HP DeskJet 420 series printer package.
Identifies and illustrates the physical components of the HP DeskJet 420 series printer.
Step-by-step instructions for connecting the printer's power adapter to an outlet.
Guidance on connecting the printer to a computer using a parallel cable.
Instructions on how to load different types of paper into the printer tray.
Steps for installing a new color or black inkjet print cartridge into the printer.
Procedures for installing the printer driver and software in a Windows environment.
Instructions for printing from DOS applications and installing relevant drivers.
How to access and use the HP Printer Setup box for configuration options.
Steps for manually feeding paper sizes other than standard letter or A4.
Instructions for feeding specialty media like envelopes, labels, and thick paper.
Procedures for removing and replacing the printer's ink cartridges.
Guidelines for storing unused inkjet print cartridges to prevent damage.
Recommends using online help and the user guide for troubleshooting common printer issues.
Directs users to HP support and lists common questions about paper and loading.
Information on normal printer sounds and compatible ink cartridges.
Tips for best print quality, printing specialty papers, and clearing paper jams.
Troubleshooting steps for when the printer does not react to print jobs.
Solutions for blank pages or pages with missing text or characters.
Explains the meaning of different blinking light patterns on the printer.
Troubleshooting steps when all printer indicator lights are blinking.
Detailed procedure for safely removing jammed paper from the printer.
Solutions for paper not feeding or ejecting properly from the printer.
Addresses issues of multiple sheets feeding and print skewing on A4/Legal paper.
Troubleshooting for common print quality issues like ink smearing or paper wrinkling.
Solutions for faded print, missing dots, lines, or inconsistent ink coverage.
Detailed instructions for cleaning clogged ink nozzles on the print cartridge.
Information on HP support services, online resources, and printer software acquisition.
Contact information and procedures for obtaining phone support from HP.
Details on the availability and requirements for free phone support.
Information on post-warranty support, supplies, and extended warranty coverage.
A comprehensive list of available HP printer supplies and their part numbers.
Details on the printer's print method, approximate speeds, and resolution capabilities.
Information on graphics resolution, built-in fonts, and printer command language.
Minimum requirements for hardware and compatible operating systems.
Guidance on suitable paper weights for different feeding methods.
Supported paper sizes, paper handling methods, and I/O interface specifications.
Details on printer memory, power requirements, consumption, and compatible cartridges.
Information on operating conditions, noise levels, and physical dimensions.
Data on printer reliability metrics and safety/EMI certifications.
Explains printer drivers and why contacting software manufacturers is important for DOS.
Suggests alternative drivers and directs to manufacturer instructions for DOS driver installation.
Addresses potential radio interference and FCC compliance for Class B devices.
States Canadian compliance and provides a statement about the power adapter.
Outlines warranty coverage, disclaimers, and limitations of liability.
Explains how local laws affect warranty rights and modifications to the statement.
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