HP Officejet J5780 All-In-One InkJet Printer "remove black foam back new" Questions

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Question about HP OfficeJet Office Equipment & Supplies

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...black toggle switch that needs to be in the depressed position to let the unit know the door is closed. Something was missing from the topside of the "door" so the switch didn't close. I simply ...

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Question about HP OfficeJet Office Equipment & Supplies

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...remove it lift the cover fully up then use a knife to get under the black tape tab at the top right of the large white foam pad. Pull the tape and the white foam pad loose but not completely - leave ...

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Question about HP OfficeJet Office Equipment & Supplies

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...black laser unit. is a solinoid under a bracket with a plunger. This plunger rides on a metal cam lobe. Take off the bracket assembly, take off the two screws that hold the solinoide. Turn the ...

Question about HP OfficeJet Office Equipment & Supplies

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...black and 1000 coloured. Even if you take the chips off, and put in a new toner cartridge, it will still think that you have (for example) 100 pages remaining. It does not actually know exactly how ...

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...black streaks down side of page. . .ink is smeared. There are 3 things to be checked. 1: toner cartridge,try replacing it with a new on. 2: Transfer roller w/c underneath the toner cartridgelying on ...

Question about HP OfficeJet Office Equipment & Supplies

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...remove the black cartridge and clean the brown dotted circuit in both the printer and cartridge with moist tissue and insert in the printer.also see whether you have removed the blue tape on the ...

Question about HP OfficeJet Office Equipment & Supplies

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...black cartridge 2 - Cartridge latches for the color cartridges Remove the cartridge by pulling it toward you and out of its slot. CAUTION: Do not remove multiple cartridges at the same time. Remove, ...

Question about HP OfficeJet Office Equipment & Supplies

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...black), so both colors will need to be evaluated using an internal test print following our recovery suggestions. Please perform the recovery steps outlined below, in order, or refer to the following ...

Question about Canon Office Equipment & Supplies

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...black key with triangle and circle on it) - (returning to the state of 4), and then press the [ON/OFF] key. Cleaning the print head: At any time, DO NOT wipe the actual print head with your fingers. ...

Question about HP OfficeJet Office Equipment & Supplies

4 Answers

Remove 2 the black screws holding the left side panel in place and remove it to reveal the circuit board. Remove 5 silver screws securing the circuit board, and carefully tilt it up. On the back side,

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