![background image](http://html1.mh-extra.com/html/okidata/ol1200ex/ol1200ex_service-manual_3678465143.webp)
%2. Dark background density
2
Dark background density
Has the image drum been exposed to external light?
Yes Mount the image drum in the printer and wait for about 30 minutes.
t
No
Is the heat roller of the fusing unit dirty?
Yes Clean the heat roller.
t
No
Is the contact of the cleaning roller of the image drum cartridge contacted with e
contact assembly properly? (See Figure 6-5 C .)
No
Adjust the contact of the cleaning roller to contact the contact assembly properly.
t
Yes
Replace the image drum cartridge.
Has the trouble been removed?
Yes
End
Note:
After replacing the image drum cartridge, set the printer in the user
maintenance mode by turning the power on while pressing the MENU
key, and reset the drum counter. (Refer to User's Manual.)
t
No
Replace the control board Power/Sensor board.
3
Black paper is output.
Is the LED head connected properly? (Check connector HEAD1 (14P), HEAD2 (12p) on the
control board and PC connector on the LED head.)
No
Connect the LED head properly or replace the head cable.
t
Yes
Is the contact of the image drum cartridge contacted with the ground contact properly.
(See Figure 6-5 D .)
No
Check the ground contact of the image drum cartridge.
t
Yes
Check the connectors HEAD1 (14P) and HEAD2 (12P)
No
Replace the LED head.
Yes
Replace the connector
Has the trouble been removed.
Yes
End
Note:
After replacing the LED head, set the printer in the engine maintenance
mode by turning the power on while pressing the FORM FEED and
ENTER keys. Set the LED head drive time. (Refer to Section 4.2.)
t
Содержание OL1200ex
Страница 8: ......
Страница 16: ......
Страница 18: ......
Страница 39: ...3 2 Parts Layout 1 4 3 2 Parts Layout 1 4...
Страница 40: ...Parts Layout 2 4 Parts Layout 2 4...
Страница 41: ...Parts Layout 3 4 Parts Layout 3 4...
Страница 42: ...Parts Layout 4 4 Parts Layout 4 4...
Страница 57: ......
Страница 62: ......
Страница 77: ......
Страница 79: ......
Страница 87: ...User maintenance mode menu system User maintenance mode menu system...
Страница 89: ......
Страница 90: ...System maintenance mode menu system System maintenance mode menu system...
Страница 92: ...Note Do not change the default value of 2 5 9 they are the parameters for adjusting in the factory...
Страница 93: ...Engine maintenance mode menu system Engine maintenance mode menu system...
Страница 94: ......
Страница 120: ......
Страница 125: ...Fig 6 2 Measurement by a Multimeter Fig 6 3 Connector and Pin Location...
Страница 139: ......
Страница 144: ...No Replace the control board or Power Sensor board...
Страница 150: ......
Страница 151: ......
Страница 152: ...Chapter 7 7 Wiring Diagram 7 WIRING DIAGRAM 7 1 Interconnect Signal Diagram...
Страница 153: ...7 2 PCB Layout 7 2 PCB Layout 1 Control board AOLM...
Страница 154: ......
Страница 155: ...7 3 Resistance Check 7 3 Resistance Check...
Страница 157: ...Chapter 8 8 Parts List 8 PARTS LIST Figure 8 1 Printer Unit Name Rating OKI J Part No Qty 50 500 1000 Remarks...
Страница 159: ...21 AOLM PCB 4YA4046 163 4G11 1 2 5 10 55077311...
Страница 173: ...1 2 External View and Component Names 1 2 External View and Component Names...
Страница 177: ...3 2 Parts Layout 3 2 Parts Layout This section describes the layout of the main components...
Страница 190: ...5 Connection Diagram 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram...
Страница 191: ...5 2 PCB Layout 5 2 PCB Layout AOLT PCB...
Страница 195: ...1 2 External View and Component Names 1 2 External View and Component Names...
Страница 199: ...3 2 Parts Layout 3 2 Parts Layout This section describes the layout of the main components...
Страница 212: ......
Страница 213: ...5 Connection Diagram 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram AOLE PCB...
Страница 214: ...5 2 PCB Layout 5 2 PCB Layout AOLE PCB...