HP LASERJET 9000N STAPLE CARTRIDGE

In the initial step of the replacement procedure, you must switch the HP LaserJet 9000n off, and then unplug the power cord. After that, you must remove the flatbed optical unit, and then detach the RFI cover by removing the seven screws. Now, you must release the lens cover by disengaging the four claws, and then remove the lens cover. In the next step of the replacement procedure, you must remove the screw that secures the exhausted flatbed shading filter to the main frame, and then remove the exhausted component. Finally, you must unpack the new flatbed shading filter, and then install it by executing the current procedure in reverse order.

In the first step of the replacement procedure, you must switch the HP LaserJet 9000n off, and then open the ADF feeder. After that, you must remove the three screws that secure the ADF back cover, and then remove the cover by disengaging the two claws. Now, you must unplug the connector, and then remove the screw that fixes the shutter solenoid into place. In the next step of the replacement procedure, you must remove the exhausted shutter solenoid, and then unpack the replacement component. Finally, you must install the new shutter solenoid by executing the current procedure in reverse order.

Initially, you must switch the HP LaserJet 9000n off, and then unplug the power cord. After that, you must remove the ADF back cover, and then loosen the three fixing screws of the motor mount. Now, you must loosen the belt by sliding the motor to the right, and then retighten the three fixing screws. In the next step of the replacement procedure, you must unplug the connector, and then remove the two screws that secure the exhausted pickup motor to the main printer frame. Once you have removed the fixing screws, you must remove the exhausted pickup motor, and then unpack the replacement component. Finally, you must install the new pickup motor by executing the current procedure in reverse order.

You must switch the HP LaserJet 9000n off, and then unplug the power cord. After that, you must remove the ADF back cover, and then remove the spring. Now, you must remove the cable clamp screw, and then remove the cable clamp. In the next step of the replacement procedure, you must remove the three cable ties, and then unplug the connector. Once you have unplugged the connector, you must remove the three fixing screws of the exhausted delivery motor, and then slide the delivery motor to the right. Next, you must take the delivery motor along with the mount out of the HP LaserJet 9000n, and then detach the mount from the exhausted component by removing the two screws. Finally, you must unpack the new delivery motor, and then install it by executing the current procedure in reverse order.

In the initial step of the replacement procedure, you must switch the HP LaserJet 9000n off, and then remove the ADF feeder cover. After that, you must remove the ADF back cover, and then remove the ADF front cover. Now, you must unplug the three connectors, and then unplug the ribbon cable. In the next step of the replacement procedure, you must remove the screw, and then remove the cable cover by disengaging the four claws. Once you have removed the cable cover, you must remove the grounding screw, and then remove the cable tie and the saddle clamps. Next, you must remove the fixing screw of the flatbed cable cover, and then slide the cover to the left. After that, you must detach the ADF stopper cover by removing its fixing screw, and then remove the screw from the end of the ADF shaft. Now, you must remove the screw from the retaining plate of the shaft, and then remove the fixing screw of the optical unit. In the next step, you must disengage the optical unit from the shaft, and then remove it by sliding it to the left. Once you have removed the ADF optical unit, you must unplug the ribbon cable, and then remove the four screws that secure the ADF analog processor PCB into place. Finally, you must remove the ADF analog processor PCB from the HP LaserJet 9000n, and then install the replacement component by executing the current procedure in reverse order.

In the first step of the replacement procedure, you must switch the HP LaserJet 9000n off, and then unplug the power cord. After that, you must remove the flatbed optical unit, and then carefully remove the mirror cover. Now, you must unplug the two connectors of the exhausted flatbed inverter PCB, and then remove the three screws that secure the exhausted component. In the next step of the replacement procedure, you must remove the exhausted flatbed inverter PCB, and then unpack the replacement component. Finally, you must install the new flatbed inverter PCB by executing the current procedure in reverse order.

Initially, you must open the ADF unit, and then remove the two screws securing the white board cover. After that, you must remove the white board cover by disengaging the claw, and then remove the pickup roller. Now, you must rotate the gear until the black circular sensor flag is pointing towards you, and then remove the lower c-clip. In the next step of the replacement procedure, you must remove the exhausted pickup roller assembly, and then unpack the replacement component. Finally, you must install the new pickup roller assembly by executing the current procedure in reverse order.

You must start the replacement procedure by removing the ADF base cover assembly. After that, you must unplug the shutter solenoid connector, and then unplug the connector from the feeder cover detection switch. Now, you must unplug the connector from the weight solenoid, and then unplug the connector of the paper loaded sensor. In the next step of the replacement procedure, you must unplug the connector of the delivery motor assembly, and then detach the cables from the six guides. Once you have released the cables, you must remove the clamp from the shielded cable by removing its fixing screw, and then detach the tie wrap from the motor mount. Next, you must remove the screw that fixes the cable cover, and then remove the cover by releasing the four claws. After that, you must remove the grounding screw, and then remove the cable tie and the saddle clamps. Now, you must detach the cables from the harness, and then remove the screw from the flatbed cable cover. In the next step, you must remove the screw from the left hinge locking plate, and then detach the ADF hinge by removing the five screws. Once you have removed the ADF hinge, you must remove the two screws from the brass plate, and then remove the three screws from the motor side of the main ADF assembly. Next, you must detach the reinforcement rail by removing the two screws, and then loosen the screw of the tension plate of the registration belt. After that, you must release the tension of the registration belt by rotating the tension plate, and then retighten the screw. Now, you must remove the two c-clips, and then remove the two bushings. Finally, you must remove the exhausted lower registration roller assembly, and then install the replacement component by executing the current procedure in reverse order.