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Hi, I'm using openSUSE since long time (still have books and install media for 6.4), not always on my daily drivers, but on servers, on small travel laptop, for testing etc., thus I never really had to look at the printing system. Finally I decided to switch from MacOS X to Leap on my current ThinkPad T480 and it came to the printer installation over network. Printer is a HP LaserJet Pro 400 Color (M451dw), installed with the "HP-setup". It was found, recommended driver was the "manufacturer-PPDs/hplip-hpps/hp-lj_300_400_color_m351_m451-ps.ppd.gz", printing works. But, the quality is very bad, it looks like economic mode, but for sure, the "HPEconoMode" is disabled (False). I also checked all other options in the driver-settings without success. The problem is not related to this specific laptop, but also for two others, installed with Leap too, while printing on an Epson XP-820 inkjet works perfectly, as it does from MacOS X (10.13 and 10.15) on the same ThinkPad and an old MBP13 with the HP LaserJet. Any idea how to solve this? Thanks a lot, -- kind regards, thg