HL-7050 SERVICE MANUAL
6-27
S-4
Although the USB driver is installed, it is unable to find the BRUSB: port.
User Check
(1) Re-install the USB driver by following the steps below;
i) Double-click the file “DeinsUSB.exe” in the USB directory of the CD-ROM or the floppy disk.
ii) Turn the printer off and on again.
iii) “Add New Hardware Wizard” is launched again, follow the instructions in the Wizard to re-
install the driver.
(2) Try to connect the printer directly to the computer if it is connected through a network.
Possible cause
Step
Check
Result
Remedy
Computer
settings
1
Does ‘Universal Serial Bus
Controllers’ appear in the
Device Manager tab of ‘System
Properties’ in Control Panel?
No
This problem can be caused
by your computer settings.
See the computer manual.
USB cable /
printer damage
2
Does the ‘BRUSB’ port appear
in the Device Manager tab of
‘System Properties’ in Control
Panel?
No
The USB cable is damaged.
Replace the cable.
If the same problem appears,
the printer will be damaged.
Summary of Contents for HL-7050 Series
Page 29: ...HL 7050 SERVICE MANUAL 1 15 ...
Page 295: ...A 1 APPENDIX 1 CONNECTION DIAGRAM HL 7050 ...
Page 296: ...APPENDIX 2 MAIN PCB CIRCUIT DIAGRAM HL 7050 1 9 ...
Page 297: ...APPENDIX 3 MAIN PCB CIRCUIT DIAGRAM HL 7050 2 9 ...
Page 298: ...APPENDIX 4 MAIN PCB CIRCUIT DIAGRAM HL 7050 3 9 ...
Page 299: ...A 5 APPENDIX 5 MAIN PCB CIRCUIT DIAGRAM HL 7050 4 9 CODE NAME LJ9004001 B512149 CIR 4 9 ...
Page 300: ...A 6 APPENDIX 6 MAIN PCB CIRCUIT DIAGRAM HL 7050 5 9 CODE NAME LJ9004001 B512149 CIR 5 9 ...
Page 301: ...A 7 APPENDIX 7 MAIN PCB CIRCUIT DIAGRAM HL 7050 6 9 CODE NAME LJ9004001 B512149 CIR 6 9 ...
Page 302: ...A 8 APPENDIX 8 MAIN PCB CIRCUIT DIAGRAM HL 7050 7 9 CODE NAME LJ9004001 B512149 CIR 7 9 ...
Page 303: ...A 9 APPENDIX 9 MAIN PCB CIRCUIT DIAGRAM HL 7050 8 9 CODE NAME LJ9004001 B512149 CIR 8 9 ...
Page 304: ...A 10 APPENDIX 10 MAIN PCB CIRCUIT DIAGRAM HL 7050 9 9 CODE NAME LJ9004001 B512149 CIR 9 9 ...
Page 305: ...A 11 APPENDIX 11 ENGINE PCB CIRCUIT DIAGRAM HL 7050 1 3 CODE NAME LJ9016001 B512139 CIR 1 3 ...
Page 306: ...A 12 APPENDIX 12 ENGINE PCB CIRCUIT DIAGRAM HL 7050 2 3 CODE NAME LJ9016001 B512139 CIR 2 3 ...
Page 307: ...A 13 APPENDIX 13 ENGINE PCB CIRCUIT DIAGRAM HL 7050 3 3 CODE NAME LJ9016001 B512139 CIR 3 3 ...
Page 316: ...APPENDIX A 22 Fig A 2 Page counter is printed here This not printed in some countries ...
