![]() ![]() there will be some feedback confirming you disabled this safety feature.Ĥ) do not double-click your installer but go in package content (right click > view package content)ĥ) find inside the package Contents>Packages>Gutenprint 5.pkg and use that package to install (double click it). Then it's a bit tricky as you have to disable in Terminal a safety setting temporarily.ġ) (re)start in recovery mode (hold cmd-r while booting or hold option and choose recovery volume)Ģ) start terminal from menu and disable rootless with command “csrutil disable”. I finally was able to install 3rd party software from Gutenprint site. #3 The printer they were offering is an older model that they likely will soon stop supporting. #2 What they were offering was substantially higher than Amazon. HP LaserJet 4250dtn (Q5403A) Duplex 1200 dpi x 1200 dpi USB Mono Laser Printer. #1 My printer functions excellently with drivers. Download HP LaserJet 4250 Driver Software for your Windows 10, 8, 7, Vista, XP and Mac OS. The "technical representative" did however spend 15 minutes trying to convince me to buy a new printer, which they would offer a "good deal". Contacted HP and they indicated that absolutely they didn't support the printer I have, HP Laserjet 4250.
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