Oki Data CONFIDENTIAL
42615101TH Rev.8 187 /
7.5.2 Preparing for troubleshooting
(1)LCD Display Malfunction .......................................................................................... 189
(1-1)Nothing is displayed in LCD ............................................................................ 189
(1-2)The first line is black display in LCD ............................................................... 190
(1-3)Two black characters turning around
(The display changes to “COMMUNICATION ERROR” if you leave them as they are) . 191
(1-4)An error message related to the operation panel is displayed. ....................... 191
(1-5)“RAM CHECK” or “INITIALIZING” are displayed ............................................ 192
(1-6)A wrong operation panel display ..................................................................... 192
(2) Irregular Operation of the device after turning on the power .................................. 192
(2-1)No operation ................................................................................................... 192
(2-2)Abnormal sound .............................................................................................. 193
(2-3)Abnormal odor ................................................................................................ 194
(2-4)Slow starting time ............................................................................................ 194
(3) Paper Feed Jam(Error 391:1st Tray) ...................................................................... 202
(3-1)Paper feed jam occurs right after turning on the power (1st Tray) .................. 202
(3-2)Paper feed jam occurs right after paper feeding starts (1st Tray) ................... 202
(4) Paper Feed Jam (Error 390:Multi-purpose Tray) .................................................... 204
(4-1)Paper feed jam occurs right after turning on the power (Multi-purpose Tray) . 204
(4-2)Paper feed jam occurs right after paper feeding starts (Multi-purpose Tray) .. 205
(5) Paper Path Jam(Error 381) .................................................................................... 206
(5-1)Paper path jam occurs right after turning on the power .................................. 206
(5-2)Paper path jam occurs right after feeding paper ............................................. 207
(5-3)Paper path jam occurs in a path route ............................................................ 209
(5-4)Paper path jam occurs right after reaching the fuser unit ............................... 210
(6) Paper Exit Jam(Error 382) ...................................................................................... 211
(6-1)Paper exit jam occurs right after turning on the power ................................... 211
(6-2)Paper exit jam occurs right after feeding paper .............................................. 212
(6-3)Paper exit jam occurs in a path route ............................................................. 213
(7) Duplex Print Jam(Error 370,371,372,373,383) ....................................................... 214
(7-1)Duplex print jam occurs right after turning on the power ................................ 214
(7-2)Duplex print jam occurs in the Duplex entry ................................................... 215
(7-3)Duplex print jam occurs in reverse of the paper ............................................. 215
(7-4)Duplex print jam occurs in the Duplex input .................................................... 216
(7-5)Paper is not fed to a Resist roller from Duplex section ................................... 216
(8) Paper Size Error (Error 400) ................................................................................... 216
(8-1)Paper jam occurs when the end of paper is near IN1 sensor. ........................ 216
(9) ID Unit Up-Down Error(Service Call 140-143) ........................................................ 217
(9-1)An error occurs in the operation of ID Unit Up ................................................ 217
(9-2)An error occurs in the operation of ID Unit Down ........................................... 217
(10)Fuser Unit Error(Error 170-177) ............................................................................. 218
(10-1)An error occurs right after turning on the power ........................................... 218
(10-2)An error occurs in 1 min. from turning on the power ..................................... 218
(11)Motor Fan Error(Error 120,127,051)....................................................................... 219
(11-1)Low voltage power unit fan or CU fan does not rotate right
after turning on the power ............................................................................. 219
(11-2)ID cooling fan does not rotate in printing ...................................................... 219
(11-3)DUPLEX fan does not rotate in DUPLEX printing ......................................... 219
(11-4)All fans of the device do not rotate ................................................................ 219
(12)Print Speed is Slow (Low Performance)................................................................. 220
(12-1)Print speed decreases up to 2ppm ............................................................... 220
(12-2)Print speed decreases .................................................................................. 220
(13)Option unit is not recognized .................................................................................. 220
(13-1)Duplex unit is not recognized ........................................................................ 220
(13-2)2nd Tray unit is not recognized ..................................................................... 221