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- HP Community
- Printers
- Printer Setup, Software & Drivers
- Driver for Photosmart C4780

Create an account on the HP Community to personalize your profile and ask a question
04-23-2018 11:25 AM
Welcome to HP Forums. This is a great place to get support, find answers and tips.
I understand that you need help finding the drivers for your HP Photosmart C4780
I'll try my best to help you out.
Please install the drivers using the Apple Software Update
Is the Printer connected to the same Network as your computer?
Try the following steps
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Click the Apple menu, then click System Preferences.
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Depending on your operating system version, click Print & Fax, Print & Scan, or Printers & Scanners.
Figure : Example of the Printers & Scanners window
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Check if the name of your printer displays in the Printers list. Do one of the following steps, depending on if the printer is listed or not.
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If your printer is listed, remove and re-add the printer to confirm communication and to make sure the correct driver is used. Click the name of your printer, then click the minus sign
to delete the printer. Once the printer is removed, click the plus sign
, click Add Printer or Scanner, click the name of your printer, then continue to the next step.
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If your printer is not listed, click the plus sign, click Add Printer or Scanner, click the name of your printer, then continue to the next step.
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If your printer is not listed in the Add Printer or Scanner window, make sure the printer is connected to the Mac with a USB cable, or that it is on the same wired or wireless network as your Mac.
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Click the Use or Print Using menu, then select the name of your printer.
NOTE: Selecting a Generic driver option from the Use menu can result in limited printer functionality.
Figure : Select the name of your printer in the Use menu
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Click Add to add the printer to the list.
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If you are prompted to install software, click Download and Install to complete the installation.
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Close the System Preferences window.
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Try to print
You can refer to this Link: https://hp.care/2qVkKwb
Keep me posted how it goes
Thank you
If the information I've provided was helpful, give us some reinforcement by clicking the "Solution Accepted"
KrazyToad
I Am An HP Employee
04-24-2018 11:30 AM
Thank you - I can now print with the USB. I am still unable to print wirelessly. I do not have the original software. I used this printer with another computer at my place of employment. I may have been connected wirelessly there (it's been 3 years ago) It would be nice to have the capability...Any suggestions? Again, thank you for getting me through the steps to get connected with the USB!
04-24-2018 06:19 PM
I'm glad we were able to get it working with the USB.
Now we can try changing the connection from USB to Wireless
Please follow the instructions in this Link: https://hp.care/2AXSGLQ
Keep me posted how it goes
Thank you 🙂
KrazyToad
I Am An HP Employee
04-30-2018 01:02 PM
Still not having any luck with connecting wirelessly with the suggestions you sent. 😞 I do see that the network it is configured to is my place of employment which I no longer need. My home connection is WPA protected.... The Wireless Network Test Report I ran off the printer says to run the wireless network setup to configure the HP printer??? Thanks for your suggestions.
04-30-2018 02:12 PM
I am the The_Fossette. It looks like you were interacting with @KrazyToad, but he is out of the office today so I'll take over from here.
I recommend you follow the steps in the below article and check if it resolves the issue.
Let me know how it goes. Awaiting your reply!
If the solution provided helps, please mark this as “Accepted Solution” as it will help several others with the same issue to get it resolved without hassles.
Good day! Take care 🙂
Cheers!
The_Fossette
I am an HP Employee
04-30-2018 05:30 PM
I recommend you download HP easy start from the below link and check if it helps.
Let me know how it goes. Awaiting your reply!
If the solution provided helps, please mark this as “Accepted Solution” as it will help several others with the same issue to get it resolved without hassles.
Good day! Take care 🙂
Cheers!
The_Fossette
I am an HP Employee
05-01-2018 11:15 AM
It looks like you were interacting with @The_Fossette, but he is out for the day & I'll be glad to help you out,
I'm the Barachiel & I'm at your service.
Follow the steps given below:
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Click the Apple menu, then click System Preferences.
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Depending on your operating system version, click Print & Fax, Print & Scan, or Printers & Scanners.
Once you are there, delete all the printer's int he list, and then try to add just the only printer you want to use.
This would make it work. 🙂
Let me know how that pans out.
I hope you have a good day ahead,
And Feel free to ask any other queries as well,
Considering, this forum has some of the best people in the world available and ready to help. 😉
Barachiel
I am an HP Employee