HL-7050 SERVICE MANUAL
6-67
9. INSPECTION
MODE
9.1
Before the Operation
Before operating the inspection mode, do the followings:
(1) Confirm that CompactFlash card is installed into the printer.
(2) Confirm that the optional lower tray, the mailbox and the duplex unit are installed into the
printer if the optional unit connection test is performed.
9.2
Line Inspection Mode Procedure
(1) Enter and exit Line Inspection Mode
While pressing the
–
and the
+
switch together, turn the power on.
The LCD will display the following message:
“LT”, “MX” or “DX” is displayed when the optional lower tray, the mailbox or the duplex
unit is installed into the printer.
NOTE:
For exiting the line inspection mode, press the Back switch at any sub menu.
(2) Check LCD and LED display condition
Press the
Set
switch to check if the LCD comes on as follows:
Confirm that all the LEDs turn on.
(The model with buzzer)
Confirm that the sound is small.
(3) Change LCD optic angle <1>
Press the
Set
switch to check if the LCD comes on. Confirm that the column color has
lightened.
(The model with buzzer)
Confirm that the sound is big.
(4) Check control panel switch function and backlight display
LINE TEST
LT MX DX
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 ...
