VI
- 15
Possible cause
Step
Check
Result
Remedy
Low-voltage power
supply PCB
LV harness
Main PCB
1
Is the voltage of P7-1 in the main PCB
con24V?
No
Replace the main PCB assy
low-voltage power supply PCB
assy, or the LV harness.
DC motor harness
DC motor assy.
2
Does the voltage of P7-4 in the main PCB
connector drop from 5V to 0V after dropping
the voltage of P7-3 from 5V to 0V?
No
Replace the main PCB assy.
"54 MOTOR MALF" is displayed (The main motor rotation disabled)
M-11
Yes
Replace the DC motor harness
or the DC motor assy.
Possible cause
Step
Check
Result
Remedy
Mis-operation
1
Is the paper feed mode set correctly?
No
Set paper feed mode
correctly.
Main PCB
2
Does the voltage of P3-20 (or 19) in the main
PCB connector rise from 0V to 5V and is a
pulses having about 11ms period generated
at P3-6, 7, 8 ,9 pin?
No
Replace the main PCB assy.
No paper pick-up from cassette (or MP tray)
M-12
Feed flat cable
3
Does the voltage of P5-20 (or 19) in the paper
feeder PCB. Connector rise from 0V to 5V
and is the pulses having about 11ms period
generated at P3-6, 7, 8 ,9 pin?
No
Replace the feed flat cable.
Paper feeder
PCB
4
Does the voltage of P3-1 (or P4-1) in the
paper feeder PCB connector drop from
24V to 0V and is the chopping pulses
generated at P1-1, 2, 5 ,6 pin?
No
Replace the Paper feed/size-
SW PCB assy.
Pick-up(or MP
Pick) solenoid
5
Does the pick-up (or MP Pick) solenoid
operate?
No
Replace the pick-up (or MP
Pick) solenoid.
Paper feed motor
6
Does the pick-up motor rotate?
No
Replace the paper feed motor assy.
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 ...