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Expert Verdict
The HP LaserJet Pro 400 Color M451dn is designed for small businesses with high-volume printing requirements. This printer produces sharp black-and-white texts as well as vibrantly coloured graphics and photos with HP LaserJet Pro 400 Color M451dn toner cartridges. It has a 40,000-page monthly duty cycle. This network-capable device is small and portable. The HP LaserJet Pro 400 Color M451dn's only flaw is its poor print speeds.
Its white front and top panels blend seamlessly with the black base and sides, with a few curves tossed in for good measure. This laser printer is great for individuals who don't like getting their hands filthy, it only requires four HP LaserJet Pro 400 Color M451dn toner cartridges, which are stored in a tray that slides out from behind the front panel. A control panel with a lighted mono display is located on the top edge, although there is no USB host port for direct printing. The 250-sheet paper cassette slides effortlessly out of the printer's base, while a 50-sheet or 10-envelope multipurpose feed sits above it. It took a long time to print a DL-sized envelope, but it came out perfectly the first time, with no substantial creasing or curving. A paper stop pulls out and flips up on the curved output tray, although we didn't find it required for A4 print jobs up to 25 pages long.
The HP LaserJet Pro 400 Color M451dn colour laser printer is simple to operate, set up, and network. It has an automatic duplexer for double-sided printing, which reduces paper waste in the office by half. The printer is also Energy Star certified and compatible with Macintosh, Linux, and Windows. The HP LaserJet Pro 400 Color M451dn toner cartridges for the HP LaserJet Pro 400 M451dn laser printer are reasonably priced, especially when purchased as part of a complete package that includes all four - black, cyan, magenta and yellow HP LaserJet Pro 400 Color M451dn toner cartridges.
Laser printers are frequently noisy, and those that aren't are often slow. This is certainly true with the M451dn, which is one of the quietest laser printers in its class, although it could only print 25 pages of black text at 16.7 pages per minute (ppm). The M451dn uses a high-yield black cartridge with a page yield of 4,000 pages and ordinary color HP LaserJet Pro 400 Color M451dn toner cartridges with a page yield of 2,600 pages. Printing prices are a dismal 1.7p per black page, or 11p in black and color when using these. The printer also supports ePrint, which allows you to email any file or document to the printer and have it printed. A unique email address is issued to your printer when you set it up. Simply send a file to your printer's dedicated email address whenever you want to print it, and it will be ready for you in the printer's output tray.
The text quality of this printer was pretty good, the characters were dark black with razor-sharp edges. However, we had conflicting opinions regarding the graphics. Although the color fills and graduation was very smooth, and the print finish was consistent, the colors in all of our tests lacked saturation, making the output a little dreary when compared to the best competition. This printer is quiet and simple to keep up with. HP's mobile printing apps are outstanding, and its driver is very straightforward to use. Cloud printing is also well supported, with the option to send print jobs by email from any device, anywhere. It is, however, slow and expensive to run, with mediocre graphic prints. In general, the printer is a good choice for small offices & homes. If you're on a budget and can't afford genuine toner cartridges, it also works with compatible HP LaserJet Pro 400 Color M451dn toner cartridges.
Review
The HP LaserJet M451dn is an ideal printer and best suitable for small offices with high-volume printing needs. The printer weighs 51.1 lbs and the measures 15.9 x 19.1 x 12.7 inches. For connectivity options, the printer supports connection via Ethernet and USB ports. The HP M451dn printer has a small control panel with function buttons on the front beside the output tray. Software installation becomes much easier via USB or ethernet connection.
In terms of access, the M451dn printer is extremely well designed. It has a 500-sheet paper capacity, with an optional 250-sheet tray also available. The print resolution can go as high as up to 600 x 600 dpi and the speed of printing is 21 ppm for both mono and coloured output. The printer has a small control panel with function buttons on the front beside the output tray. The HP LaserJet printer uses high-quality HP LaserJet Pro 400 Color M451dn toner cartridges that are fairly affordable, especially when purchased in a full set that is comprised of all four HP M451dn replacement cartridges.
Advantages- Good performance
- Nice output quality
- Set up is easy to make
- Uses automatic duplexer for double-sided printing
- The printer is Energy Star qualified
- Replacement cartridges available
- USB cable must be bought separately
- Comparatively slow than other printers
- Pricier than average toner
The compatible HP LaserJet Pro 400 Color M451dn toner cartridges include:
- HP 305 CE410X Black Toner
- HP 305 CE411A Cyan Toner
- HP 305 CE412A Yellow Toner
- HP 305 CE413A Magenta Toner
The HP Laserjet printer uses the high-yield black HP LaserJet Pro 400 Color M451dn toner cartridge, that can last for 4000 pages. The printer is Energy Star qualified and offers support for Macintosh, Linux, and other operating systems. Due to its wi-fi connecting features, it provides flexibility for printing.
How to solve poor print quality issues when using HP LaserJet Pro 400 Color M451dn printers?
Try the following solutions to solve the print quality issues:
Solution 1: Use correct paper type while printing
- Ensure that the paper you are using with the printer matches the paper specifications of the printer.
- Check whether the paper type you have selected is the same as the paper type you have inserted in the printer for printing. If not, change that paper type from the printer’s software program.
Solution 2: Adjust the colour settings from the printer driver
Step 1: Change the colour theme:
- Open the printer driver on your computer and click “Print” in the “File” menu.
- Select “Properties” or “Preferences”.
- From the drop-down list, choose any of the colour themes available.
Step 2: Change the colour options:
- Open the printer driver and click “Print” in the “File” menu, on your computer.
- Select “Properties” or “Preferences”.
- Click the “Colour” tab. Choose between “Automatic” or “Manual”. It is recommended to choose the automatic option for most print jobs. Only colour graphics experts should use the “Manual” option as it can drastically impact the output.
- Click “OK” to save your settings.
Solution 3: Clean the paper path by printing a cleaning page
- Press “OK” on your printer to open the menus.
- Select “Service” and then go to “Cleaning Page”.
- Load plain paper in Tray 1 of the printer and press the “OK” button to initiate the cleaning process.
Solution 4: Calibrate your printer to align the colours
Step: From the “Reports” menu of your printer, print a “Diagnostics Page” to check the colour alignment. If the blocks of colours printed on the diagnostics page are not aligned, you will need to calibrate your printer. Follow the steps below:
- Press the “OK” button on your printer to open the menus.
- Go to the “Calibrate Colour” menu.
- Press “OK” to calibrate the colours.
Solution 5: Inspect your HP LaserJet Pro 400 Color M451dn toner cartridges.
Step 1: Ensure that you are using high-quality toner cartridges for the best print results.
Step 2: Check whether the cartridges are empty by printing the Supplies Status page:
- Press “OK” and go to the “Reports” menu on your printer’s control panel.
- Select the “Supplies Status” option to print the status page. The status page is used to indicate the estimated remaining life of your HP LaserJet Pro 400 Color M451dn toner cartridges.
Step 3: Check the toner cartridges for damage:
- Remove your HP LaserJet Pro 400 Color M451dn toner cartridges from the printer.
- Ensure that the sealing tape has been removed and that there is no damage caused to the memory chip and the green imaging drum at the bottom of the toner.
- If there is any damage, replace the toner cartridge with a new one.