Preparation For Troubleshooting - Oki C310dn Maintenance Manual

Oki Data CONFIDENTIAL

7.5.2 Preparation for troubleshooting

(1) LCD display trouble ......................................................................................... 149
(1-1) LCD displays nothing ....................................................................... 149
(1-2) PLEASE WAIT ................................................................................. 149
(1-3) Error message display related to operator panel ............................ 150
(1-4) RAM CHECK or INITIALIZING persists .......................................... 150
(2) Problem operation after printer is turned on ................................................... 150
(2-1) No operations start .......................................................................... 150
(2-2) Abnormal sound is heard ................................................................. 150
(2-4) Startup time of printer is long ........................................................... 151
(3) Paper feed jam (error code 391: 1st tray) ........................................................ 162
(3-1) Jam occurs immediately after the power is turned on. (1st tray) ...... 162
(3-2) Jam occurs immediately after the paper feed is started. (1st tray) ... 162
(4) Feed jam (error code 380) .............................................................................. 163
(4-1) Jam occurs immediately after the power is turned on. ..................... 163
(4-2) Jam occurs immediately after the paper feed is started. .................. 164
(5) Paper feed jam (error code 390: Multipurpose tray) ....................................... 164
(5-1) Jam occurs immediately after the power is turned on.
(Multipurpose tray) ........................................................................... 164
(5-2) Jam occurs immediately after paper feed is started.
(Multipurpose tray) ........................................................................... 165
(6) Paper running jam (error code 381:) ............................................................... 166
(6-1) Jam occurs immediately after the power is turned on. ..................... 166
(6-2) Jam occurs immediately after a paper is taken into printer. ............. 166
(6-3) Jam occurs in the middle of paper running path. ............................. 167
(6-4) Jam occurs immediately after paper has reached the fuser. ............ 168
(7) Paper unloading jam (error code 382) ............................................................. 168
(7-1) Paper unloading jam occurs immediately after the power is
turned on. ........................................................................................ 168
(7-2) Paper unloading jam occurs after a paper is taken into printer. ....... 169
(7-3) Paper unloading jam occurs in the middle of paper running path. .. 169
(8) Two-sided printing jam (error code: 370, 371, 372, 373, 383) ......................... 170
(8-1) Two-sided printing jam occurs immediately after the power is
turned on. ......................................................................................... 170
44346001TH Rev.1
(8-2) Two-sided printing jam occurs during taking in the paper
into Duplex unit. ................................................................................ 170
(8-3) Two-sided printing jam occurs in the process of reversing paper. .... 171
(8-4) Two-sided printing jam occurs during transporting paper
inside the Duplex unit. ...................................................................... 171
(8-5) Paper is not supplied from the Duplex unit to the regist roller. ......... 171
(9) Paper size error (error code 400) .................................................................... 172
(9-1) Jam occurs when paper end is located near the IN1 sensor. .......... 172
(10) ID unit Up/Down error (Service call 140 to 143) ............................................ 172
(10-1) Error occurs during the Up movement of the ID unit ...................... 172
(10-2) Error occurs during the Down movement of the ID unit ................. 173
(11) Fuser unit error (error 170 to 177) ................................................................. 173
(11-1) Error occurs immediately after the power is turned on. .................. 173
(11-2) Error occurs approx. 1 minute after the power is turned on. .......... 173
(12) Motor fan error (error code 122, 127, 128, 918, 051) .................................. 174
(12-1) The low voltage power supply fan does not rotate imme
diately after the power is turned on. ................................................. 174
(12-3) All fans of the printer do not rotate. ................................................ 174
(13) Print speed is slow. (Performance is low.) ..................................................... 175
(13-1) Print speed decreases. .................................................................. 175
(14) Option unit cannot be recognized. ................................................................. 175
(14-2) Option try unit cannot be recognized. ............................................ 175
(15) LED head cannot be recognized. (error code 131, 132, 133, 134) ............... 175
(15-1) Service call 131 to 134 (LED HEAD Missing) ................................ 175
(16) Toner cartridge cannot be recognized. (error code 540, 541, 542, 543) ...... 176
(16-1) Error caused by the consumable items. ....................................... 176
(16-2) Error caused by the toner sensor ................................................... 176
(16-3) Error caused by the defective mechanism ..................................... 177
(17) Fuse cut error (error codes 150 to 155) ....................................................... 177
(17-1) Fuse cut error ................................................................................. 177
(18) Humidity sensor error (error code 123) ......................................................... 178
(18-1) Humidity sensor error ..................................................................... 178
(19) Connection diagram ...................................................................................... 179
7. TROUBLESHOOTING
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