III-17
(2)
Disconnect the eleven connectors from the PCB. (Three connectors have already
been disconnected when removing the scanner unit.)
(Name of the harnesses)
1. SW panel harness
2. Scan motor harness
3. Toner harness
4. Laser harness
5. Fan motor harness
7. Main connector
8. High-voltage flat cable
9. Erase lamp harness
10. SR harness
11. Solenoid harness
12. Main motor harness
13. Low-voltage harness
Fig. 3.28
Note 1: When reassembling, the cable connectors must be inserted securely into the
PCB connectors and the PCB must not be stressed by the harnesses.
Note 2: The connectors should be inserted by matching the housing color and the
number of pins.
3.13
Low-voltage Power Supply PCB ASSY
(1)
Remove the screw securing the low-voltage power supply PCB ASSY.
(2)
Disconnect the two connectors for the heater harness and the LV harness from the
PCB.
Fig. 3.29
1
5
4
3
8
9
10
11
12
13
Driver PCB
ASSY
2
7
Main frame
LV harness
Screw
Low-voltage power supply ASSY
H
r h rn
Main cover
<200V only>
Summary of Contents for HL-1070 - B/W Laser Printer
Page 1: ......
Page 20: ...II 4 Fig 2 4 ...
Page 24: ...II 8 1 3 5 DRAM Four 16Mbit DRAM x 16bit are used as the printer memory Fig 2 7 ...
Page 28: ...II 12 1 3 11 Engine I O Fig 2 14 and 2 15 show the engine interface circuit Fig 2 13 ...
Page 29: ...II 13 Fig 2 14 ...
Page 64: ...III 24 4 PACKING Fig 3 39 Documents Accessories Carton Pad Pad PE sheet Bag Pad Pad Carton ...
Page 96: ...CODE UK3958 000 B48K302 1CIR NAME A 3 Appendix 3 Main PCB Circuit Diagram 1 5 ...
Page 97: ...CODE UK3958 000 B48K302 1CIR NAME A 4 Appendix 4 Main PCB Circuit Diagram 2 5 ...
Page 98: ...CODE UK3958 000 B48K302 1CIR NAME A 5 Appendix 5 Main PCB Circuit Diagram 3 5 ...
Page 99: ...CODE UK3958 000 B48K302 1CIR NAME A 6 Appendix 6 Main PCB Circuit Diagram 4 5 ...
Page 100: ...Appendix 7 Main PCB Circuit Diagram 5 5 CODE UK3958 000 B48K302 1CIR NAME A 7 ...
Page 101: ...Appendix 8 Driver PCB Circuit Diagram CODE UK3634000 B48K280CIR NAME A 8 ...
Page 106: ...Appendix 13 SR PCB Circuit Diagram CODE UK3653000 B48K284CIR NAME A 13 ...
Page 107: ...Apr 98 54U011BE0 PARTS REFERENCE LIST MODEL HL 1070 R LASER PRINTER ...
Page 241: ...APPENDIX A 11 HP LaserJet 6P EPSON FX 850 IBM Proprinter XL EPSON FX 850 PC 850 ...