CHAPTER 6 TROUBLESHOOTING
6-28
M-2
Main motor does not rotate
Possible cause
Step
Check
Result
Remedy
Failure of
connector
1
Is the connection of connector
CN2 on the engine PCB
correct?
No
Reconnect the connector.
Main motor
2
Is the problem solved by
replacing the main motor?
Yes
Replace the main motor.
Engine PCB
3
Is the problem solved by
replacing the engine PCB?
Yes
Replace the engine PCB.
Main PCB
4
Is the problem solved by
replacing the main PCB?
Yes
Replace the main PCB.
M-3
No paper supplied
Possible cause
Step
Check
Result
Remedy
Separation pad /
pick-up roller
failure
1
Is the surface of the separation
pad or the pick-up roller dirty
or worn out?
Yes
1) Clean the surface of the
separation pad or pick-up
roller.
2) Replace the separation
pad or pick-up roller.
Failure of
connector
2
Is the contact of the solenoid
connector on the engine PCB
good?
No
Reconnect the connector.
Engine PCB
circuit
3
Set paper in the manual paper
slot and make a test print by
pressing the control panel
button.
Yes
Replace the engine PCB.
Paper pick-up
clutch solenoid
Does the voltage between pins
2 (SOLENOID) and 1 (24V) of
the CN8 connector on the
engine PCB change from
approx. 24V DC to 0V within
the specified time?
No
Replace the paper pick-up
solenoid.
Main PCB
4
Is the problem solved by
replacing the main PCB?
Yes
Replace the main PCB.
Содержание HL-6050DN
Страница 188: ...HL 6050 6050D 6050DN SERVICE MANUAL 5 15 5 Put the paper tray into the printer Fig 5 29 Paper tray ...
Страница 190: ...HL 6050 6050D 6050DN SERVICE MANUAL 5 17 5 Remove the separation plate ASSY Fig 5 32 Separation plate ASSY ...
Страница 303: ...APPENDIX A 7 A 7 APPENDIX 7 BLOCK DIAGRAM HL 6050 CODE NAME LJ9586001 BLOCK DIAGRAM ...
Страница 304: ...APPENDIX A 8 A 8 APPENDIX 8 LOW VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM 100V HL 6050 NAME Low voltage PS Circuit 100V ...
Страница 305: ...APPENDIX A 9 A 9 APPENDIX 9 LOW VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM 200V HL 6050 NAME Low voltage PS Circuit 200V ...
Страница 306: ...APPENDIX A 10 A 10 APPENDIX 10 HIGH VOLTAGE POWER SUPPLY CIRCUIT DIAGRAM HL 6050 NAME High voltage PS Circuit ...