Unpacking the 123.hp.com/dj3755 printer from its packaging and keeping the power cords ready to attach in their respective positions. Now, place the cords securely in the wall sockets so that the machines do not have loose connections or other power problems. If the cords are attached, push the Home button at the printer’s left corner.


How to setup the HP Deskjet 3755 printer?

  • If you first switch on the 123.hp.com/dj3755 printer, it might make some noise.
  • Use the arrows next to the printer control panel to select the language, country and area after seeing the home screen. Press the OK button now.
  • Now you insert the ink cartridges into the printer screen.
  • Lift the cover of the ink cartridge using the cutouts on your printer’s hand.
  • See the sticker on the back cover of the cartridge and initially mount the three-color cartridge.
  • Remove the protective band that protects electric contacts and tin nozzles. (NOTE: The color on the locking levers will match the color displayed on the cartridges.) Move the ink cartridges into their individual slots slowly and move them into place until they’re secured.
  • Install the black cartridge with the same operation.
  • Once the original HP cartridge has been installed, a message box will appear on the Control Panel. Click OK Load the paper stack on the input tray. The 123.hp.com/dj3755 printer now prints a sheet for alignment.
  • After printing the alignment tab, check the speed print side on the scanner’s window.
  • Upon scanning a line-up page, a message box reads, ‘Successful alignment’ appears on the control panel of the printer. To start, click Ok button.
  • Users can now connect the printer wirelessly to a network or Ethernet or USB.

If the basic setup is complete, install the printer software via 123.hp.com/dj3755 or the printer’s CD. Follow the onscreen instructions to complete the installation process for the printer. You can download driver software from the 123.hp.com/dj3755 or 123.hp.com/setup 3755 website.

123 HP Setup 3755 Printer Support

How to print from iPhone?

We talked about printing through AirPrint software earlier. Users can print images, papers, emails or any iPhone web pages with any integrated iOS device software solution.

  • Before starting the print job, make sure you activate the wireless icon and connect your 123 HP Deskjet 3755 to a wireless network.
  • Open your iPhone’s Wi-Fi setting and check if you are connected to your 123.hp.com/dj3755 printer on the same wireless network connection.
  • It is worth noting that AiPrint does not support public wireless networks like cellular services (3 G or 4 G), Bluetooth and hotspots.
  • Go to the App Store and download some compatible iPhone printing applications. Now, the application.
  • Click on the Share button of the app and find the icon for the print.
  • Go to the home screen and open the text, picture, email or web page you want to print, then pick the share icon. (Otherwise, click on the menu, and then press Print option.) Tap Print option after selecting the correct file.
  • You will be navigated to the Printer Options menu to select a printer.
  • Choose the printer to use.
  • Adjust any print settings, set the number of copies to be printed, and tap the Print choice to print.

When the 123.hp.com/dj3755 printer finishes the printing process, your documents or images can be accessed using the Home button on your iPhone by double-clicking. Go to the Print Center and pick the document that was recently printed.

How to cancel the print job?

If you want the printing process to stop, you can do it on your iPhone in a jiffy.

  • Click the iPhone’s Home button twice.
  • The apps that are open and working will be displayed on the screen.
  • Now, choose Print Center and tap on it.

Once the Print Center app is opened, click the Print Cancel option to stop the print job.


Using HP direct wireless, users can use smartphone, laptop, computer and other wireless-enhanced tools for wireless printing – even without connection to an existing wireless network.

You can use the Wireless Setup Wizard to handle a wireless link to your 123.hp.com/dj3755 printer.

  • Click the Wireless button on the control panel of the printer.
  • Click the button next to the printing settings.
  • By scrolling the Wireless Configuration Wizard, press OK. Now the wizard searches for the list of networks available.
  • See if your network name is available. If not, users should manually access the network.
  • To enter a new network name scroll, click OK and enter the name and then click OK. Once needed, enter the WEP or WPA key.
  • To confirm, press OK. The 123.hp.com/dj3755 printer is now trying to connect to the network.

How to connect a new printer?

Perform one of the following operating system depending on your operating system.

  • Windows 8: Start – – > app bar – – > All Apps – – > Folder with printer name.
  • Windows 7, Windows Vista and Windows XP: Start – – > All Programs – – > HP – – > Printer folder – – > Printer name.

Choose Printer Setup and Software.

Select Connect a new printer from the options list and follow the instructions displayed on your computer.

How to change network settings?

  • Click the Wireless button on the home screen of the printer.
  • Select Advanced Settings accompanied by Settings.
  • Use the Advanced Settings menu to make any improvements you want.
  • Follow the instructions on the computer to adjust the settings.

How to change from a USB connection to a wireless network?

Perform one of the following operating system depending on your operating system.

  • Windows 8: Start – – > app bar – – > All Apps – – > Folder with printer name.
  • Windows 7, Windows Vista and Windows XP: Start – – > All Programs – – > HP – – > Printer folder – – > Printer name.

Choose Printer Setup and Software.

Tap on Convert a USB connected printer to wireless.



  • Wireless network 802.11/b / g / n that includes the access point or router allowed by WPS.
  • Wireless network link or NIC (network interface card) computer or laptop.
  • You will connect your computer or laptop to a wireless network where the printer is attached.


  • To start the WPS app, press and hold the wireless app on the click for a few seconds. The wireless light now starts to blink.
  • Now, on your router, press the WPS button (Wi-Fi Protected Setup).
  • The 123.hp.com/dj3755 printer takes a few minutes for the wireless link to be created.


  • On the control panel, press the Wireless button to view the men.
  • If you see a printer in error or do a job, wait for the printer to complete the task and then click on the button Wireless.
  • Choose Settings from the control panel display screen on the printer.
  • Now tap Wi-Fi Safe Setup from the list of available choices.
  • If the wireless router is pushed, then press and then follow the instructions. Push the button.
  • If not, choose PIN and then follow the prompts displayed on-screen.

How to connect the HP Deskjet 3755 printer wirelessly without a router?

  • Turn on the direct wireless from the control panel of the 123.hp.com/dj3755 printer.
    • Tap the Direct Wireless Button in the home screen of the printer.
    • If the direct wireless setting is disabled, select Settings.
    • Go to Wireless Direct again, select ON (No Security) or ON (With Security).
  • When the Wireless Direct is activated, locate the wireless direct and password.
    • Click the Wireless Direct icon on the home screen of the printer.
    • Select Display Name to display your wireless direct name.
    • Choose Display Password to display the password.
  • Switch on the wireless connection from your computer or mobile device.
  • Check for the printer you want and link it to the direct wireless name.
  • Enter the Wireless Direct password if needed.
  • Try printing a document or photo from the mobile or computer.


  • Click the Start button on your desktop screen.
  • On the search menu bar, type ‘ Add Printer’.
  • A new dialog box will appear and ask what kind of printer you want to use.
  • Choose Connect a wireless network or Bluetooth printer.
  • Select ‘Use an existing port’ and then click Next.
  • If the USB connection has been selected, choose Add a local printer.
  • Choose the name of the printer from the list of available choices, then click Next.
  • A new dialog box opens to ask for the printer driver to be installed.
  • Go to the Windows Update Register and turn on either HP or Hewlett Packard.


  • Click Setup and select the Network or Wireless menu.
  • From the list of options available, tap the Wireless Setup Wizard.
  • The list of wireless networks is available on the screen. Choose the one you want to use.
  • When asked, enter the WEP password of the wireless network key.
  • Your printer will soon be connected to the wireless network. Once connected, print a test report to see if the printer is working fine.
  • Also, it is not necessary to install the MAC printer driver separately. It will be installed automatically when you update your Apple device software.
  • Now connect your 123.hp.com/dj3755 printer and your Apple device to a USB connection.
  • Connect other devices to the Internet through wired or wireless connections.
  • Go to the Apple Menu and Touch Software Update menu. Otherwise, choose About this Mac, and then choose Updates from the Software.
  • Choose Install now.

How to select your printer on your MAC?

  • Select Machine Preferences by opening the Apple menu.
  • Go to the Hardware tab and then pick Fax and Print.

When your HP printer is listed,

  • Roll your pointer on (-) minus sign and remove the printer. Now, click on the (+) sign and Add a new printer.
  • Select the name of the printer when it will appear on the screen.
  • Now press OK to continue.

When your HP printer is not listed,

  • Roll your mouse pointer near (+) sign and then click on Add Printer or Scanner.
  • When print names appear, pick either of the choices.
  • Select Option Start.
  • On the Using Print box, select the name of the printers.
  • Download and update the software for Apple printers now.


  • Select Network or Wireless menu on your computer.
  • Tap the Wireless Setup Wizard.
  • When request, enter the SSID (network name) and the WEP (password) key.
  • Your printer will shortly be wired to the wireless network.
  • Now, print a test report to verify if everything is Fine with the printer.


Mobile printing makes it easy for you to work. You can print and print out any paper or picture store on your laptop on your 123 HP DJ 3755 or 123.hp.com/dj3755 printer.

NOTE: You will connect your mobile device and printer to the same network as your phone.


  • Choose your picture or text from your Apple phone and then press the Sharing button.
  • To search the Print button, swipe the screen. Click it when you find it.
  • Pick the printer you want to use and change the print setting accordingly.
  • After the changes are made, select Print to start printing.


  • Open the Google Play Store and check whether or not HP Print Service Plugin is installed.
  • Otherwise, load the plugin. After the plugin has been enabled, activate it.
  • Change the settings and print your mobile screen.
  • Open the photo or document you want to print, then press the Menu button in the right corner of the screen.
  • Pick the printer you want and change the settings of the print by clicking the down button.
  • Confirm the printer and the print setup. To start printing, select the Print icon.


  • To open the print dialog box, click on Ctrl+P from the Chrome browser or from compatible Google Cloud print apps.
  • To change the printer, click Change.
  • Pick the printer you want to use from the list of choices.
  • Create print settings adjustments and then press Print.


  • Select the document you want to print and on the menu that appears on the right side of the page, select Apps.
  • Make sure your printer’s wireless network is connected. If not, you will do it once Use a printer to load the built-in printer driver.
  • Pick the printer to use and change the settings for the print.
  • Click Print and then have fun printing.


  • Ensure that your Amazon smartphone has MobiSystems Office Suite Software enabled.
  • Choose the document from the app that you want to print and tap Print choice Change the print settings as you want and then select Print.
  • To start a print job, confirm your printer and print settings and then press Print.


Without the link to a wireless network, you can print wirelessly on your HP Officejet Pro printer using HP wireless.

How to print from a wireless-capable computer (Windows)?

  • Make sure the HP Wireless Direct option is available.
  • Now you need to toggle on the Wi-Fi link on your 123.hp.com/dj3755 printer.
  • Link to a new network from your computer, as you normally do.
  • Pick the wireless network to which you will link. (NOTE: Pick the printer name that is identified as Hp-Print0**-ENVY XXX.) When prompted , enter the network’s security code.
  • If your printer uses the network via USB, do the following.
    • Based on the operating system you use, do the following,
    • Windows 8: Start – – > app bar – – > All Apps – – > Printer Name – – > Utilities.
    • Windows 7, Windows Vista and Windows XP: Start – – > All Programs – – > HP – – > Printer Folder.
    • Pick Setup & Software for Printer and then tap Add a new printer.
    • In the Connection Options dialog box, pick the wireless option. Pick the HP printer program from the list displayed.
    • Now follow the instructions on the screen to finish the operation.
  • Print your paper. Print the paper you need.

How to print from a wireless-capable computer (OS X)?

    • Ensure that your HP direct wireless is allowed.
    • Switch to AirPort. Turn.
    • Select the HP wireless direct name that is listed under HP-print-**-ENVY XXXX.) when you click on the AirPort icon.
    • Add the printer to your HP.
    • Choose Print & Fax or Print & Scan depending on the operating system you use in the System Preferences section.
    • Select the + (plus) symbol on the left corner of the list of printers.
    • Tap your preferred printer and press Connect


When the printer is not printing (nothing prints)

  • When printed work is caught in the print queue, cancel and reset all papers in the queue. Seek to print a page after the reboot process is completed.
  • When you disable a printer when writing, an error message will be shown on your computer screen. If it does not, the HP program you installed has a problem. Uninstall and reinstall the software to prevent further issues.
  • Checking that all cable connections are safe and strong is also necessary. If there is a loose connection, replace it by a new cable.
  • If the blue light on the wireless icon does not blink, you need to check the wireless connection of your printer. Seek to print a Wireless Test Report to diagnose and fix your printer problems.
  • Verify that your machine’s firewall program prevents contact between your device and printer. In this scenario, temporarily disable the firewall and start printing. Turn on the firewall once the pages have been scanned.
  • If your 123.hp.com/dj3755 printer still does not respond, try restarting the machine and the printer. After the above steps.

When something on the page is missing or incorrect

  • Test the USB cable length and the location of the printer. The high electromagnetic fields produced by the USB can sometimes cause minor distortion and spoil print quality.
  • Displace your HP printer from the electromagnetic field in this situation.
  • A cable that is less than 3 meters long is recommended in order to reduce the impact of the electromagnetic field.