Oki MB461 Maintenance Manual
Also see for MB461MFP: Setup guideUser manualMaterial safety data sheetUser manualUser manual
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Contents
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Oki Data CONFIDENTIAL44871001TH Rev.6 8-388. 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 immediatelyafter 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 .......................................................................8-64Note! • When replacing the CU/PU board, please read the content on theEEPROM chip of the old board and copy it to the new board. (Refer to 5.6.1when exchange the CU/PU board)• Connection diagram is see Fig1-1.8.5.5 Preparing for troubleshooting |
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