III-6
(5) Release the right side of the paper eject roller shaft.
(6) Remove the four eject pinch rollers and the pinch springs from the fixing unit frame.
Then, remove the pinch spring from each pinch roller.
Fig. 3.5b
(7) Remove the M3x10 screw securing the electrode plate to remove the electrode plate
from the fixing unit frame.
(8) Loosen the other M3x10 screw securing the fixing unit cover.
(9) Remove the heat roller. Then, remove the halogen heater lamp from the heat roller.
Caution:
Never touch the surface of the halogen heater lamp and the heat roller.
Fig. 3.5c
Eject Pinch Roller
Paper eject roller shaft
Pinch Spring
Heat roller
Taptite M3x10
Taptite M3x10
Electrode plate
Halogen heater lamp
(Blue 100V, Red 200V)
Summary of Contents for HL-720
Page 1: ...SERVICE MANUAL MODEL HL 720 730 730Plus R LASER PRINTER ...
Page 36: ...II 19 1 3 10 Engine I O HL 720 Fig 2 21 shows the engine interface circuit Fig 2 21 ...
Page 37: ...II 20 HL 730 730Plus Fig 2 22 shows the engine interface circuit Fig 2 22 ...
Page 61: ... Fig 3 18 2 4 1 1 1 ...
Page 92: ...SERVICE MANUAL MODEL HL 760 R LASER PRINTER ...
Page 109: ...II 8 1 3 4 DRAM Two 4M bit DRAMs x 16bits are used as the RAM Fig 2 6 ...
Page 113: ...II 12 1 3 10 Engine I O Fig 2 12 shows the engine interface circuit Fig 2 12 ...
Page 114: ...II 13 1 3 11 Paper Feed Motor Drive Circuit Fig 2 13 ...
Page 133: ...Appendix 2 Main PCB Circuit Diagram 1 3 CODE UK3227000 B48K272CIR 1 3 NAME ...
Page 134: ...Appendix 3 Main PCB Circuit Diagram 2 3 CODE UK3227000 B48K272CIR 2 3 NAME ...
Page 135: ...CODE UK3227000 B48K272CIR 3 3 NAME Appendix 4 Main PCB Circuit Diagram 3 3 ...