This has been caused by the wrong set-up procedures, when this machine was launched I like you set-up the machine much the same as all other mx type of machines, after a day or two the machines shut down. the devs were now shot and i had to replace them, but while waiting for stock to arrive a update arrived from sharp with reference to the set up procedure. when adding the developer for the first time to the developer box you must shake the dev box from side to side to ensure that the developer has been spread evenly,
once done and before adding the toner cartridges to the machine run code 25 2, once done ca let the machines now warm up without the toner cartridges in, then put the toner in.. its basically caused by the toner adding to the dev box before set-up has finished, a update for later models has now been done. hope this helps as its an expensive mistake..
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