HP LaserJet IIISi / 4Si (NX) Maintenance Kit Instructions,

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HP LaserJet IIISi / 4Si (NX) Maintenance Kit Instructions

HP NX (IIISi/4Si) MAINTENANCE KIT INSTRUCTIONS

The following parts are included in this maintenance kit:

1 IIISI/4SI Fuser RG5-0046

6 Pick Up Rollers RF5-0041

1 Transfer Roller Assembly RG5-0141

1 Transfer Roller Clip RG1-0818

1 Duplex Roller RF5-0081

Please Note: Turn the printer off, unplug it, and allow it to sit for 30 minutes before performing these maintenance

procedures.

Installation Instructions:

1. The Fusing Assembly:

*Found at the rear of the unit under the toner cartridge.

*Take out the paper trays.

*Press the release button to open the cover.

*Take out the toner cartridge.

2. Removing the Fusing Assembly:

*Remove the screw on each corner of the assembly.

*Move the fusing assembly to the left and then lift it up.

*Remove the fusing assembly from the printer.

3. Replacing the Fusing Assembly:

*Replace the fusing assembly with the unit that came in this kit.

*Carefully slide the unit to the right making sure that the assembly�s connector is inserted

correctly into the socket on the printer�s right side.

*Also remember to make sure that the paper sensor flag moves freely and that is has not

been broken or unseated during installation.

Put back the four screws, toner cartridge and close the cover.

Transfer Roller:

1. DO NOT touch the surface of the new transfer roller, unless wearing latex gloves.

2. The trays should still be out of the printer unit.

Removing Transfer Roller:

1. Open the top cover.

2. Take out the light blue clip from the right side of the roller and throw it away.

3. Holding the roller in place, separate the black bushing on the right side.

Now remove the roller and throw it away.

Replacing the Transfer Roller:

1. CAREFULLY insert the left end of the new transfer roller into the left socket.

2. Push the right side bushing to the right as the right side of the roller is put into the socket.

3. Attach the new router clip to the left side of the roller.

4. Check the roller by moving it back and forth.

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