HP Designjet 510 HP Designjet 510 Printer series - User's Guide: English - Page 73

Diagnostic Print B interpretation 1. For each color in the pattern in Diagnostic Print B, you are asked about the quality-look for missing lines. If you answer that a color is defective, the printer tries to clean that printhead. If the printhead cleaning process completes, Diagnostic Print B is printed again and you are asked the same questions again. Diagnostic Print B 2. Afterwards, if problems with images remain, use the Troubleshooting procedure again. Ignore these solid bars If none of the patterns or blocks in the two Diagnostic Prints shows any problem, it could be that your print quality problem is caused by a wrong setting in your software, or perhaps the job should have been printed with the Print quality set to Best instead of Normal or Draft. If the Troubleshooting routine didn't indicate that printhead alignment was necessary, you can select Align printheads in the Ink menu to try to solve any further print quality problems.