
III-12
(3)
Disconnect the eight connectors from the PCB. (Three connectors have already
been disconnected when removing the scanner unit.)
1
2
3
4
5
6
7
8
9
10
(Name of the Harnesses)
1. Low-voltage harness
2. Erase lamp harness
3. Toner harness
4. Scan motor flat cable
5. Laser harness
6. Solenoid harness
7. Main / sub motor connector
8. Fan motor 1 harness
9. Fan motor 2 harness
10. High-voltage flat cable
Fig. 3-19
Note:
When re-assembling, the cable connectors must be inserted securely into the PCB
connectors and the PCB must not be stressed by the harnesses.
The connectors should be inserted by matching the housing color and the number of
pins.
3.11
Low-voltage Power Supply PCB ASSY
(1)
Remove the one M4x12 tapping 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. 3-20
Panel Sensor
PCB ASSY
Main frame
LV harness
Low-voltage Power Supply ASSY
H
r h rn
Summary of Contents for HL-1020
Page 1: ......
Page 36: ...II 20 Fig 2 22 shows the CDCC interface circuit Fig 2 22 HL 1050 ...
Page 37: ...II 21 1 3 10 Engine I O Fig 2 23 shows the engine interface circuit Fig 2 23 HL 820 1020 1040 ...
Page 38: ...II 22 Fig 2 24 shows the engine interface circuit Fig 2 24 HL 1050 ...
Page 67: ...III 18 4 PACKING Fig 3 32 Documents Accessory carton Pad Pad Printer Bag Carton ...
Page 101: ...CODE UK4007000 B48K312CIR NAME V 5 Appendix 5 Main PCB Circuit Diagram HL 820 1020 1040 1 2 ...
Page 102: ...Appendix 6 Main PCB Circuit Diagram HL 820 1020 1040 2 2 CODE UK4007000 B48K312CIR NAME A 6 ...
Page 103: ...Appendix 7 Main PCB Circuit Diagram HL 1050 1 5 CODE UK4041000 B512001CIR NAME A 7 ...
Page 104: ...Appendix 8 Main PCB Circuit Diagram HL 1050 2 5 CODE UK4041000 B512001CIR NAME A 8 ...
Page 105: ...Appendix 9 Main PCB Circuit Diagram HL 1050 3 5 CODE UK4041000 B512001CIR NAME A 9 ...
Page 106: ...Appendix 10 Main PCB Circuit Diagram HL 1050 4 5 CODE UK4041000 B512001CIR NAME A 10 ...
Page 107: ...Appendix 11 Main PCB Circuit Diagram HL 1050 5 5 CODE UK4041000 B512001CIR NAME A 11 ...
Page 108: ...Appendix 12 Panel Sensor PCB Circuit Diagram CODE UK4010000 B48K303CIR NAME A 12 ...
Page 117: ...Apr 98 84U005BE0 PARTS REFERENCE LIST MODEL HL 820 1020 1040 1050 R LASER PRINTER ...
Page 122: ...1 1 1 MODEL HL 1050 84U 861 101 103 104 84U 862 106 6 4 5 MAIN PCB HL 1050 OTHERS ISRAEL 3 ...
Page 135: ...CONTENTS LOWER TRAY UNIT List 1 Drawing 2 ...
Page 137: ... 2 GENERAL DRAWING MODEL LT 24CL 54S X06 4 3 1 6 5 2 7 ...
Page 214: ......
Page 296: ...USER S GUIDE A 12 HP LaserJet IIP 6P EPSON FX 850 IBM Propritner XL EPSON FX 850 ...