HP Deskjet 3720 Printer Instruction Manual

Manual HP Deskjet 3720 Printer Instruction Manual

HP Deskjet 3720 Printer Instruction Manual

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HP Deskjet 3720 Printer

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HP Deskjet 3720 Printer

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HP Deskjet 3720 Printer

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HP Deskjet 3720 Printer Instructions

Here we offer the HP Deskjet 3720 Printer manual completely free and in English. We have cataloged this manual in the Printers section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about HP Deskjet 3720 Printer, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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HP Deskjet 3720 Printer Specifications

Feature Specification
Product series HP DeskJet 3700 All-in-One series (HP DeskJet 3720)
Functions Print, copy, scan
Regulatory Model Number SDGOB-1621
Series product numbers J9V86A, J9V87A, and others
Radio module SDGOB-1392
Print method Drop-on-demand thermal inkjet
Printer language PCL3 GUI
Cartridges 2 (black and tri-color); single cartridge mode supported
Copy processing Digital image processing, normal quality mode only
Scan resolution Up to 600 ppi
Scan color depth 24-bit RGB color, 8-bit grayscale
Maximum scan size (scan path) 21.6 x 29.7 cm (8.5 x 11 inches)
Input tray capacity Up to 60 plain sheets (80 g/m²), 5 envelopes, 20 index cards, 20 photo sheets
Output tray capacity Up to 25 plain sheets (80 g/m²), 5 envelopes, 10 index cards, 10 photo sheets
Plain paper weight 64 to 90 g/m² (16 to 24 lb)
Envelope weight 75 to 90 g/m² (20 to 24 lb)
Card weight Up to 200 g/m² (110-lb index maximum)
Photo paper weight Up to 280 g/m² (75 lb)
Recycled paper suitability DIN 19309 and EN 12281:2002
USB connection Rear USB 2.0 High Speed port
Recommended USB cable length 3 m (10 feet) or less
Wireless standard 802.11b/g/n, 2.4 GHz only
Wi-Fi Direct Up to 5 simultaneous computers or mobile devices
Wi-Fi Direct default IP address 192.168.223.1
Supported computer operating systems Windows 10, 8.1, 8, 7, Vista, XP; OS X
Mobile printing iOS 4.2 or later (AirPrint), Android 4.4 or later (HP Print Service Plugin), Windows Mobile, Chromebook, Amazon Kindle Fire HD9 and HDX
Power supply 100-240 Vac or 200-240 Vac, 50/60 Hz
Sleep mode After 5 minutes of inactivity (adjustable in EWS)
Auto-Off After 2 hours of inactivity (when wireless and Wi-Fi Direct are off)
Recommended operating temperature 15 ºC to 30 ºC (59 ºF to 86 ºF)
Allowable operating temperature 5 ºC to 40 ºC (41 ºF to 104 ºF)
Operating humidity 15% to 80% RH non-condensing, 28 ºC maximum dewpoint
Storage temperature -40 ºC to 60 ºC (-40 ºF to 140 ºF)
RF exposure separation distance 20 cm (8 inches)
Printer warranty 1 year hardware
Software media warranty 90 days
Complimentary support 1 year online chat, 90 days phone support (from purchase date)

HP Deskjet 3720 Printer Details

The HP Deskjet 3720 is a compact all-in-one with a sheet-fed scanner rather than a flatbed. To copy or scan, you load the original print side up, pushed against the right side of the scanner, until it feeds into the scan path and the scan light turns on. Pressing Start Copy Black or Start Copy Color starts a copy. Each extra press within two seconds adds another copy. Copying always uses normal quality, and the printer can still print if the scanner fails.

The control panel has a small display showing the copy count, wireless signal bars, Wi-Fi Direct status and the estimated ink levels of both cartridges. Errors show up as the letter E alternating with a number. E1 means the paper is too narrow for the job, E2 means a paper-length mismatch, E3 means the carriage has stalled, E4 means a paper jam, E5 means a scanner failure and E6 means a general error. You can fix an E6 by unplugging the printer for a minute.

The printer detects whether paper is loaded and whether it is small, medium or large width. You can change the default paper size it detects in the embedded web server (EWS). Quiet Mode slows printing to reduce noise without lowering quality. It only works with Normal quality on plain paper and is off by default. There is no automatic two-sided printing: the driver has a Two-sided (Duplex) Printing shortcut that prompts you to reload the pages by hand.

The Windows driver includes booklet printing with left or right binding, several pages per sheet with borders, grayscale printing with black ink only, HP Real Life Technologies image enhancement, and custom printing shortcuts. A Max DPI mode gives sharper photos on photo paper, but printing takes longer. The scan software saves files as PDF or JPEG, can attach them to an email, and lets you create your own scan shortcuts, for example to save photos as PNG.

When Web Services are turned on, HP ePrint gives the printer its own email address, so you can print from anywhere by sending attachments to it. Webscan, which is off by default, lets you scan from a web browser through the EWS without installing any software. By default, Wi-Fi Direct connects in Automatic mode with no password. HP recommends switching it to Manual and setting an administrator password if you need more security.

If one cartridge fails, single cartridge mode lets the printer keep working with just the black or just the tri-color cartridge. Maintenance tools in the software align and clean the cartridges and print diagnostic pages. On Windows, the HP Print and Scan Doctor can find and fix connection problems automatically. To keep the cartridges from drying out, always turn the printer off with the Power button. The HP Smart app from 123.hp.com handles wireless setup on computers and mobile devices.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the HP Deskjet 3720 Printer, and we answer them below.


Does the HP Deskjet 3720 support 5 GHz Wi-Fi networks?
No. The printer only supports 2.4 GHz connections on 802.11b/g/n networks.

Can the HP Deskjet 3720 print on both sides automatically?
No. Two-sided printing is manual. After the first side prints, follow the onscreen instructions to reload the paper and click Continue.

How do I make several copies at once?
Press the Start Copy Black or Start Copy Color button several times within two seconds. Each press adds one copy.

How many sheets does the input tray hold?
Up to 60 sheets of 80 g/m² plain paper, 5 envelopes, 20 index cards or 20 sheets of photo paper.

What does the error E3 on the display mean?
The print carriage has stalled. Open the cartridge access door, clear any obstruction, move the carriage to the right, close the door and press Resume.

Can I print with only one cartridge installed?
Yes. The printer enters single cartridge mode when only the black or only the tri-color cartridge is installed. Install both cartridges to exit this mode.

How do I restore the network settings to default?
Press and hold the Wireless and Cancel buttons together for three seconds.

How do I connect using WPS?
Press and hold the Wireless button for more than three seconds until it blinks, then press the WPS button on your router within about two minutes.

Why does the printer turn itself off?
Auto-Off turns the printer off after 2 hours of inactivity when wireless and Wi-Fi Direct are off. Press the Power button to turn it back on.

How many devices can use Wi-Fi Direct at the same time?
Up to five computers and mobile devices can share the same Wi-Fi Direct connection.

What is the maximum scan resolution?
The scanner works at up to 600 ppi with 24-bit color, and the largest original it accepts is 21.6 x 29.7 cm (8.5 x 11 inches).

Where do I find the printer's ePrint email address?
After you set up Web Services, press the Information button to print an information page that shows the printer's email address.

How long is the warranty?
The printer has a 1-year hardware warranty. Complimentary support includes 1 year of online chat and 90 days of phone support.

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