III -
10
LCD
LED1
LED3
LED4
LED2
SW8
SW7
SW6
SW5
SW4
SW3
SW2
SW1
PAD4-PAD7
LED2 (READY)
LED3 (DATA)
LED4 (ALARM)
LCDE, LCDRS
LED1 (ONLINE)
SW8 (SEL)
SW7 (MODE)
SW6 (FONT)
SW5 (
FORM FEED
)
SW4 (SET)
SW3 (CONTINUE)
SW2 (DOWN)
SW1 (UP)
Main PCB
Figure 3.8 Display Circuit
3.2 Operation
Indicators on the control panel (LED lamps and LCD) are controlled by the video controller
circuit.
All the switch signals are input to the video controller circuit.
Signals Descriptions:
LED1 - LED4
On-off control for the respective LED lamps.
Illuminating when Low and extinguished when High.
PAD4 - PAD7
LCD control signal.
LCDRS
A signal to distinguish PAD4 - PAD7 into command and data.
LCDE
A signal to start the operation.
SW1 - SW8
Input signals from the switches.
Going Low when each switch is pressed.
3.
DISPLAY CIRCUIT
3.1 Outline
The control panel of this printer has four LED lamps, one LCD display, and eight switches.
The control panel is connected to the Main PCB and its functions are as follows:
(1)
The LCD shows the printer status and error message in alpha-numeric characters.
(2)
The LED lamps indicate the operating conditions of the printer.
(3)
The printing mode and LCD brightness can be changed by switches.
Summary of Contents for HL-1660 Series
Page 1: ......
Page 109: ...Appendix 3 Main PCB Circuitry Diagram 1 7 CODE UK3787000 B48K294 295CIR 1 7 NAME A 3 ...
Page 110: ...Appendix 4 Main PCB Circuitry Diagram 2 7 CODE UK3787000 B48K294 295CIR 2 7 NAME A 4 ...
Page 111: ...Appendix 5 Main PCB Circuitry Diagram 3 7 CODE UK3787000 B48K294 295CIR 3 7 NAME A 5 ...
Page 112: ...Appendix 6 Main PCB Circuitry Diagram 4 7 CODE UK3787000 B48K294 295CIR 4 7 NAME A 6 ...
Page 113: ...Appendix 7 Main PCB Circuitry Diagram 5 7 CODE UK3787000 B48K294 295CIR 5 7 NAME A 7 ...
Page 114: ...Appendix 8 Main PCB Circuitry Diagram 6 7 CODE UK3787000 B48K294 295 CIR 6 7 NAME A 8 ...
Page 115: ...Appendix 9 Main PCB Circuitry Diagram 7 7 CODE UK3787000 B48K294 295CIR 7 7 NAME A 9 ...
Page 116: ...Appendix 10 Control Panel PCB Circuitry Diagram 1 1 A 10 CODE NAME UK2527000 B48K143CIR ...
Page 117: ...Appendix 11 Scanner LD PCB Circuitry Diagram 1 1 A 11 CODE NAME UK2674000 B48K165CIR ...
Page 118: ...I Brother Laser Printer HL 1260e HL 1660 series USER S GUIDE ...
Page 328: ...APPENDICES Appendix 17 PC 8 10U PC 8 D N 11U PC 850 12U PC 852 17U ...
Page 330: ...APPENDICES Appendix 19 Legal 1U Ventura Math 6M Ventura Intl 13J Ventura US 14J ...
Page 331: ...USER S GUIDE Appendix 20 PS Math 5M PS Text 10J Math 8 8M Pi Font 15U ...
Page 332: ...APPENDICES Appendix 21 MS Publishing 6J Windows 3 0 9U Desktop 7J MC Text 12J ...
Page 334: ...APPENDICES Appendix 23 ...
Page 336: ...APPENDICES Appendix 25 PC 8 PC 8 D N PC 850 PC 852 ...
Page 337: ...USER S GUIDE Appendix 26 PC 860 PC 863 PC 865 PC 8 Turkish ...
Page 338: ...APPENDICES Appendix 27 IBM Mode PC 8 PC 8 D N PC 850 PC 852 ...
Page 339: ...USER S GUIDE Appendix 28 PC 860 PC 863 PC 865 PC 8 Turkish ...
Page 340: ...APPENDICES Appendix 29 HP GL Mode ANSI ASCII 9825 CHR SET ...
Page 341: ...USER S GUIDE Appendix 30 FRENCH GERMAN SCANDINAVIAN SPANISH LATIN JIS ASCII ...
Page 342: ...APPENDICES Appendix 31 ROMAN8 EXT ISO IRV ISO SWEDISH ISO SWEDISH N ...
Page 343: ...USER S GUIDE Appendix 32 ISO NORWAY 1 ISO GERMAN ISO FRENCH ISO U K ...
Page 344: ...APPENDICES Appendix 33 ISO ITALIAN ISO SPANISH ISO PORTUGUESE ISO NORWAY 2 ...
Page 407: ...LASER PRINTER PARTS REFERENCE LIST HL 1660e ...
Page 414: ...5 MAIN PCB MODEL HL 1660e 54T U03 103 4 4 4 1 2 2 6 4 5 3 4 1 ...