Oki Data CONFIDENTIAL
7.5.2 Preparation for troubleshooting
(1)
LCD display error ................................................................................................149
(1-2) PLEASE WAIT ..........................................................................................150
(2)
(3)
(4)
(5)
(Multipurpose tray) ....................................................................................162
(Multipurpose tray) ....................................................................................163
(6)
(7)
(7-1)
(8)
into Duplex unit. ........................................................................................169
44205401TH Rev.1
(9)
(13) Print speed is slow. (Performance is low.) ...........................................................174
(14) Option unit cannot be recognized. .......................................................................174
(17-1) Fuse cut error ...........................................................................................177
(19) Wiring diagram ....................................................................................................179
Note! When replacing the CU/PU board, read the EEPROM chip contents of the
old board first, and copy them to the new board upon completion of the
replacement. (Refer to section 5.4.1 Precautions when replacing the engine
control board.)
7. Troubleshooting and repair procedure
150 /