Oki Data CONFIDENTIAL
43827101TH Rev.2
218 /
(13-2)2nd Tray unit is not recognized
7.5.2.(14)
LED head is not recognized(Error 131,132,133,134)
(14-1)Service Call 131-134(LED HEAD Missing)
2nd tray unit
Connections from PU PCB to
2nd tray PCB
Correct the connections.
Square connector connecting
the 2nd tray unit to the printer
Signal delivered from PU
PCB to 2nd tray PCB
Confirmation Tasks
Check to see if the 2nd tray unit in use conforms to the
specification
Check to make sure that the cord is properly connected from
the 2nd connector of the PU PCB to the 2nd tray PCB.
Check to see if there is any foreign matter trapped in the
connecting part of the square connector.
Check to see if the pins of the square connector are broken.
Check the signal delivered through the OPTION connector of the
PU PCB.
Pin 5: TXD(PU
→
2nd)
Pin 3: RXD(2nd
→
PU)
Action at NG
Replace the 2nd tray
unit.
Correct the
connections.
Remove the foreign
matter.
Replace the connector.
Replace the PU PCB.
(13-2-2) Check of connections
(13-2-1) 2nd tray PCB
(13-2-3) Check of control signal
Confirmation Items
Connected state between CU
PCB connector and head
connector
Head FFC
Check of Fuse conduction
on CU PCB
Confirmation Tasks
Check visually the connected state of the FFC.
Unplug the FFC of the head, and check for any wire breakage or
peel-off of the covering along the cord.
Check voltage is 5V between capacitor
CP6(C5
6
50),CCP1(C
60
50
/C6150
)(See section 7.6)
Action at NG
Redo the connection
properly.
Replace the head FFC
or CU PCB.
Replace
F1(C5
6
50)
F506, F505(C
60
50)
or
CU PCB
(14-1-1) Check of connections
Confirmation Items