Printer will not align cartridges

Question

printer will not align cartridgesMY PRINTER IS HP officejet v45. I HAVE JUST INSTALLED A BLACK CARTRIDGE, AND THE PRNTER WANTS ME TO ALIGN THE PRINT CARTRIDGES. THE ALIGNMENT PAGE COMES OUT IN GREY, AND IT INSTRUCTS ME TO PLACE THIS ALIGNMENT PAGE IN THE AUTOMATIC DOCUMENT FEEDER (ADF) WHICH I DID. THE MESSAGE ''ERROR:CANNOT DETECT ALIGNMENT PAGE'' COMES UP ON THE PRINTER SCREEN. THIS MESSAGE FINALLY COMES UP WITH ''ALIGNMENT FAILED'' I TRIED TO PRNT FROM MY COMPUTER BUT IT WONT COME OUT IN BLACK BUT GREY./ PLEASE HELP