C7769-40041 HP Designjet 500 / 800 Purple Latch for Printhead Cover
C7769-40041 HP Designjet 500 / 800 Printhead Cover | Purple Carriage LatchC7769-40041, C7769-69376, C7769-60381, C7770-60286
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If your machine is telling you "Open window and check printhead cover is properly closed," the most likely cause is the upper frame on the ink tube system is cracked or broken. The printhead cover on the carriage locks into the lower latch in the ink tube system. If the lower latch is compromised, the machine will not function.
This latch is designed and manufactured exclusively by LPS. Includes lifetime warranty.
Watch the video tutorial for the repair procedure here.
If your ink tube system is leaking, or otherwise broken beyond repair, you can find the replacement ink tube systems here:
For use with HP Designjet 500, 510, 800 24" and 42" printers.
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The purple print heat had become brittle and was about snap. Replaced it with and LPS re engineered latch. It is a 3D printed version to the same right tolerance but far stronger. I cant believe the ingenuity of the LPS team. My DesignJet 500 is good to go for another 10 years.
Product and instructions in tutorials were perfect. We have 15 year old very reliable plotter (HP500)running like new.
Had a problem with printer - watched the video - discovered the part needed - ordered the wrong one and called back to order - kind and helpful. Very grateful for the online assistance and the personal guidance.
Part fit perfectly.
Thank you for your help