Question about Toshiba E-STUDIO 850 Copier

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What's Code C447 in a Toshiba 850 copier means

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  • Techno ink Jan 06, 2012

    try cleaning the fusers fuser thermoster after that reset it by turn off hold number 8 n 0 till u get to test mode and type 400 start and then 0 then enter and restart it should reset the fuser



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Fixing unit

Posted on Feb 13, 2011

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If 1st time occur, u can just go to 08-400, reset the value to "0" then restart the machine.

When this code not cleat 08-400 then check these all thengs..1.Check the thermistors (1) Check if the connectors are disconnected.(2) Check if the main and edge thermistors are in contact with the surface of the fuser roller properly?(3) Check if the harnesses of the main and edge thermistors are open circuited.

2. Check the IH board and IH coil

(1) Check if the IH coil is broken.(2) Check if the connector of the IH coil is disconnected.(3) Check if the thermostat is blown.(4) Check if the connectors on the IH board are disconnected (AC input connector and LGC I/F connectorCN455/456).(5) Check if the IH board or the switching power supply unit are abnormal.• Replace the IH control board.

3. Check the LGC board(1) Check if the connectors CN316 are disconnected.(2) Check if the conductor pattern on the LGC board is short circuited or open circuited.(3) Replace the LGC board.

Best Regards

Posted on Sep 01, 2012


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