Generally PDL error seen with the printer when it stores cache and stop printing larger jobs to fix the error we need to clear NVRAM of the printer. Or it may be a faulty cable error try to get an original cable if after going through blog you are not able to fix error.
Call Dell Support Number 1-844-395-2200 to Fix Dell Printer PDL Error
If after following all steps given in the post above dell printer PDL error 016-720 is not resolved you can call an expert. To get in touch with Dell professionals you can contact dell printer support number and get help Online to fix the printer problems. Best team of certified technical professionals working here to fix the Dell printer problems with right approach.