HP Officejet J5780 All-In-One InkJet Printer "permiter square" Questions

my hp j5780 all in one printer is saying 'close cartridge door' it is closed . it won't let me do anything i have tried opening and closing and removing ink cart's and replacing still says the same. I

door open , close print cartridge access door i just installed ink cartridge and closed top cover to align the print cartridges but screen says to close print cartridge access door I have an HP ...

Dear Sir / Mam Dear Sir / Mam My self Ashish B.Kaple I am an Engg.(B.Tech.Mech.) working as Asst.Manager-Production I have got mail on 08/09/09 from [email protected] this email id for this

Can't see how to open C66 printer I'm trying to replace the waste ink pads and the construction drawings don't give a lot of detail on how to open the printer up to permit access.It does look like it ...

I have a Canon i350 printer. The message says Waste Ink Absorber is Full, but I can't find any place in my Canon guide where it tells me how to find the waste ink absorber, let alone empty it. Any ...