Oki Data CONFIDENTIAL
44871001TH Rev.6
8-38
8. TROUBLESHOOTING PROCEDURES
(1) LCD Display Trouble ...................................................................................8-39
(1-1) LCD displays nothing ...........................................................................8-39
(1-2) Display of OKI logo ..............................................................................8-40
(1-3) Error message display .........................................................................8-40
(2) Abnormal MFP operation after powered on ................................................8-40
(2-1) No operation ........................................................................................8-40
(2-2) Abnormal sound ...................................................................................8-42
(2-3) Abnormal odor .....................................................................................8-43
(2-4) Slow starting time.................................................................................8-43
(3) Paper feed jam (Error code 391: 1st tray) .....................................................8-54
(3-1) Does a jam error occur when turning on the power? ...........................8-54
(3-2) Jam occurs immediately after the paper feed is started. (1st tray) .......8-54
(4) Feed jam (Error code 380, 381) .....................................................................8-55
(4-1) Jam occurs immediately after the power is turned on. .........................8-55
(4-2) Jam occurs immediately after the paper feed is started. ......................8-55
(5) Paper feed jam (Error code 390: Multipurpose tray) .....................................8-56
(5-1) Does a jam error occur when turning on the power? ...........................8-56
(5-2) Jam occurs immediately after paper feed is started.
(Multipurpose tray) ...............................................................................8-57
(6) Paper running jam (Error code 381:) .............................................................8-58
(6-1) Jam occurs immediately after the power is turned on. .........................8-58
(6-2) Jam occurs immediately after the paper feed is started. ......................8-58
(7) Two-sided printing jam (Error code: 370, 371, 372, 373, 383) .....................8-58
(7-1) Two-sided printing jam. .........................................................................8-58
(8) Paper size error (Error code 400) ..................................................................8-59
(8-1) Jam occurs when paper end is located near the IN1 sensor. ...............8-59
(9) Fuser unit error (Error 170 to 177) .................................................................8-59
(9-1) Error occurs immediately after the power is turned on. ........................8-59
(9-2) Error occurs approx. 1 minute after the power is turned on. .................8-59
(10) Motor fan error (Error code 120, 127, 128) ..................................................8-60
(10-1) The low voltage power supply fan does not rotate immediately
after the power is turned on. .............................................................8-60
(10-2) All fans of the printer do not rotate. ...................................................8-60
(11) Print speed is slow. (Performance is low.) ...................................................8-60
(11-1) Print speed decreases. .....................................................................8-60
(12) Option unit cannot be recognized. ...............................................................8-61
(12-1) Option try unit cannot be recognized. ...............................................8-61
(13) LED head cannot be recognized. (Error code 131, 132, 133, 134) ..............8-61
(13-1) Service call 131 to 134 (LED HEAD Missing) ...................................8-61
(14) Toner cartridge cannot be recognized. (Error code 540, 541, 542, 543) ....8-62
(14-1) Error caused by the consumable items. ............................................8-62
(14-2) Error caused by the toner sensor .....................................................8-62
(14-3) Error caused by the defective mechanism ........................................8-63
(15) Fuse cut error (Error codes 153 to 155) ......................................................8-63
(15-1) Fuse cut error ...................................................................................8-63
(16) Humidity sensor error (Error code 123) .......................................................8-64
(16-1) Humidity sensor error .......................................................................8-64
Note!
• When replacing the CU/PU board, please read the content on the
EEPROM chip of the old board and copy it to the new board. (Refer to 5.6.1
when exchange the CU/PU board)
• Connection diagram is see Fig1-1.
8.5.5 Preparing for troubleshooting
Содержание MB461MFP
Страница 1: ...MB461 MB471 MB491 MB491 MB491 LP MPS4200mb MPS4700mb Maintenance Manual 031314C ...
Страница 72: ...Oki Data CONFIDENTIAL 44871001TH Rev 6 3 21 3 MFP INSTALLATION Sample MB471 Sample MB491 ...
Страница 103: ...44871001TH Rev 6 4 25 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS 4 2 8 13 LCD assy 1 Remove the LCD assy ...
Страница 114: ...44871001TH Rev 6 4 36 Oki Data CONFIDENTIAL 4 REPLACEMENT OF PARTS ...
Страница 138: ...Oki Data CONFIDENTIAL 5 LUBRICATING POINT 5 1 Lubrication point 5 2 ...
Страница 261: ...Oki Data CONFIDENTIAL 44871001TH Rev 6 8 69 8 TROUBLESHOOTING PROCEDURES Figure 7 4 Fuser Assy Contact plate ...
Страница 281: ...Oki Data CONFIDENTIAL 10 APPENDIX 10 1 List of Initialized range 10 2 10 2 Maintenance Manual for Second Tray unit 10 9 ...