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III-8
3.7
Base Plate Assy
NOTE: Prior to turning the printer upside-down, the drum unit should be removed from the
printer.
(1)
Turn the printer upside down.
(2)
Remove the six M4 and eight M3 tapping screws.
(3)
Lift out the base plate assy and remove the grounding screw.
Fig. 3.8
3.8
Panel sensor PCB Assy
(1)
Remove the screw securing the panel sensor PCB assy. Slide the part A from under
the main shield and lift the PCB assembly upwards.
(2)
Disconnect the seven connectors from the PCB (The three connectors P2, P3 and
P9 have already disconnected when disassembling the scanner unit. See page, III-
5).
Fig. 3.9
Panel sensor PCB assy
A
Main Shield
Solenoid harness (P6)
HV flat cable (P7)
LV harness (P4)
M4 Screws (B tight)
Main (feed) motor harness (P5)
M3 Screws (S tight)
M4 Screws (B tight)
M3 Screws
(S tight) M4 Screws
(B tight)
M3 Screws (S tight)
M4 Screws (B tight)
Grounding wire
Washer
Grounding screw
Rubber foot
Base plate assy
Содержание HL-720
Страница 1: ...SERVICE MANUAL MODEL HL 720 730 730Plus R LASER PRINTER ...
Страница 36: ...II 19 1 3 10 Engine I O HL 720 Fig 2 21 shows the engine interface circuit Fig 2 21 ...
Страница 37: ...II 20 HL 730 730Plus Fig 2 22 shows the engine interface circuit Fig 2 22 ...
Страница 61: ... Fig 3 18 2 4 1 1 1 ...
Страница 92: ...SERVICE MANUAL MODEL HL 760 R LASER PRINTER ...
Страница 109: ...II 8 1 3 4 DRAM Two 4M bit DRAMs x 16bits are used as the RAM Fig 2 6 ...
Страница 113: ...II 12 1 3 10 Engine I O Fig 2 12 shows the engine interface circuit Fig 2 12 ...
Страница 114: ...II 13 1 3 11 Paper Feed Motor Drive Circuit Fig 2 13 ...
Страница 133: ...Appendix 2 Main PCB Circuit Diagram 1 3 CODE UK3227000 B48K272CIR 1 3 NAME ...
Страница 134: ...Appendix 3 Main PCB Circuit Diagram 2 3 CODE UK3227000 B48K272CIR 2 3 NAME ...
Страница 135: ...CODE UK3227000 B48K272CIR 3 3 NAME Appendix 4 Main PCB Circuit Diagram 3 3 ...