HP Envy 7640 Printhead Replacement
Giriş
1. adıma gitThe printhead is the "arm" of the printer that carries out the instructions it receives from the motherboard. Replacement of the printhead violates the warranty on HP printers. Proceed through this guide with caution. While following the steps in this guide, ensure your printer is grounded (plugged into a wall socket rated for 15A, 120V) to ensure that static discharge does not damage your printer after the replacement.
Neye ihtiyacın var
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Open the printer by pushing upwards on the plastic tabs located on the sides of the printer.
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Remove the opening assist from its purchase by pushing it toward the front of the printer with a nylon spudger.
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Remove the spring-loaded clip attached to the top of the printer by pushing it off of the hook.
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Remove the last ten 12mm screws by placing the Torx 9 screwdriver in the screw slot and turning counterclockwise.
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Remove the last two 12mm screws by placing the Torx 9 screwdriver in the screw slot and turning counterclockwise; the screen plate can now be separated from the printer by pushing out and to the right.
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Take out the inner plastic frame (this piece is removeable after having removed the ten 12 mm screws outlined in the first bullet) by grasping the frame with both hands and carefully pulling the frame away from the printer body.
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Start to remove the motherboard from the device by lifting the left hand side of the motherboard out from the printer shell with minimal force.
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Push the clip's head away from the motherboard to release the right hand side of the motherboard from the printer shell.
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Remove the back connector by firmly grasping the tan portion of the connector adjacent to the motherboard and pulling in toward the printer to dislodge the motherboard.
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Bu adımda kullanılan alet:Tweezers$4.99
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Place the T9 Torx screwdriver in the screw slot and turn counterclockwise to extract the single 14 mm screw.
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Using the blunt tweezers, detach the spring by grasping the end attached to the fuser assembly and pulling out and away.
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Using the blunt tweezers, remove the black, ribbed washer by prying away from the print rail.
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To reassemble your device, follow these instructions in reverse order.
To reassemble your device, follow these instructions in reverse order.
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