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Oki Data CONFIDENTIAL
44158801TH Rev.2
224 /
Note!
When the PU PCB(PRF PCB) is replaced, first read the data of the EEPROM chip
of the old PCB, and then, copy it to the new PCB after the replacement. (See 6.4.1
Precautions on the replacement of engine control PCB).
(11) Motor Fan Error(Error 120,127,051) ...............................................................................254
(11-1) Low voltage power unit fan or CU fan does not rotate right after turning
on the power .......................................................................................................254
(11-2) ID cooling fan does not rotate in printing ............................................................254
(11-3) DUPLEX fan does not rotate in DUPLEX printing ...............................................254
(12) Print Speed is Slow (Low Performance) .........................................................................255
(12-1) Print speed decreases up to 2ppm .....................................................................255
(12-2) Print speed decreases .......................................................................................255
(13) Option unit is not recognized ..........................................................................................256
(13-1) Duplex unit is not recognized ..............................................................................256
(13-2) 2nd Tray unit is not recognized ............................................................................256
(14) LED head is not recognized(Error 131,132,133,134) .....................................................257
(14-1) Service Call 131-134(LED HEAD Missing) .........................................................257
(15) Toner cartridge is not recognized(Error 540,541,542,543) ............................................258
(15-1) Errors caused by consumables ...........................................................................258
(15-2) Errors caused by toner sensor ............................................................................258
(15-3) Errors caused by machine defects ......................................................................259
(16) Fuse Cutout Error (Error 150-155) .................................................................................259
(16-1) Fuse cutout errors ...............................................................................................259
(17) Dew Condensation Errors (Error 123) ............................................................................260
(17-1) Dew Condensation ..............................................................................................260