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Need to replace all print head with error or nozzles block and try for alignment once the page is printed it needs to be scanned to save alignment if still get same message need to check for scanner functionality
Absolutely ! Your PSC 750 will work with an external network,but it may not set up for the network automatically, you might (not necessarily) need to install additional driver software and set up manually.
For replacing the cartridge find out the useful information from the Official website of HP, by using the given link:
1. Check out the alignment of Cartridge use this link:
2. Replacmenet of Cartdrige
Replace and Cleaning
3. Download the Manual for clear instruction
Best of luck and Have a nice day.
1,Unplug the USB cable
2,Place the allignment paper in the right bottom corner of the scanner glass
3,close the lid
4,Press the Start scan button
You will find the light blinking wait until it completes.
Then connect the cable and the issue will be resolved.
Hope works well for you
Have tried Start /printers/faxes/ double click window opens and you printer icon should be there - right click and delete. Now go to Control Panel/Add-remove software/ find HP 750 soft ware delete it. Restart the machine Stay off line. disable anti virus program. Install from disk and do exactly as the prompts say- when they say.