Sharp SF-1120, SF-1020 service manual Fusing section, Fusing unit removal, Heater lamp replacement

Models: SF-1120 SF-1020

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3. Fusing section

3-1. Fusing unit removal

1Open the front cover.

2Push the open/close lever down to the right side, and slowly open the upper unit.

3Remove the fixing screw of the fusing connector cover and remove the cover.

4Remove the fusing unit hanging wire from the copier frame and remove two connectors from the unit.

5Remove the stop ring and remove the unit.

(Note for assembly)

When removing the unit from the copier, ba careful not to scratch the photoconductor drum and the lower heat roller. Be careful not to break the actuator of the paper exit sensor (POD).

3-2. Heater lamp replacement

1Remove the fusing cover fixing screw (1 pc.), and slide the cover to the front side to remove.

2While pressing the Fasten terminal projection connected to the thermostat, remove the lead wire from the connection section.

3Remove the fixing screw of the lamp holder on the upper side of the rear frame, and remove the holder.

4Pull out the heater lamp from the front frame side.

For assembly, reverse the disassembly procedures.

3-3. Upper heat roller ass'y removal

1Remove two fixing screws of bearings of the front and the rear frames.

2Push the paper guide down to the paper exit side and separate the separation pawl from the roller and fix it.

3Rotate the bearing fixing screws about 45 degrees downward and remove the ass'y.

For assembly, reverse the disassembly procedures.

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Page 52
Image 52
Sharp SF-1120, SF-1020 Fusing section, Fusing unit removal, Heater lamp replacement, Upper heat roller assy removal