6.5.2 Preparation for troubleshooting
(1) LCD display error ...........................................................................................6-31
(1-1)
(1-2)
(1-3)
(2-1)
(2-2)
(2-3)
(2-4)
(3-1)
(3-2)
(4-1)
(4-2)
(5-1)
(Multipurpose tray) ...........................................................................6-51
(5-2)
(Multipurpose tray) ...........................................................................6-51
(6-1)
(6-2)
(6-3)
(6-4)
(7-1)
(7-2)
(7-3)
(8-1)
(8-2)
into Duplex unit. ................................................................................6-56
45487001TH Rev.1
(8-3)
Duplex unit. .......................................................................................6-57
(8-4)
(9-1)
(10-1)
(10-2)
(11) Motor fan error (Errors 122, 127, 128, 918 and 051) .....................................6-59
(11-1)
power is turned on. ...........................................................................6-59
(11-2)
Duplex fan does not rotate during the Duplex printing. .....................6-59
(11-3)
(12-1)
(13-1)
(14-1)
(15-1)
(15-2)
(15-3)
(16-1)
Fuse cut error ...................................................................................6-63
(17-1)
(18) Wiring diagram ...............................................................................................6-65
Note! When replacing the PU/CU board, load the EEPROM chip contents of the
old board first, and copy them to the new board upon completion of the
replacement. (Refer to section 4.4.1 Precautions when replacing the engine
control board.)
6. Troubleshooting procedure
6-30 /