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copierlady
03-14-2011, 06:45 PM
Working on a biz hub 420. Keeps throwing a c-2403 code. I have tried a new toner bottle, a new toner bottle holder with a clean working ring. Works for a while and even cycles toner without thowing the code at least once. But, if i do a long run, after about 250 copies, the code returns to haunt me. Whats next? Thanks

907tec
03-14-2011, 08:17 PM
Do you have access to the Tech Bulletins / Solutions Reports? There is a ton of documentation on this problem...its a nasty one. Many times, you have to remove the back panel and a few motors/boards to access the relevant sensors. Occasionally you can get away with blowing off the sensors using compressed air, but there are also parts mods that should be installed (sensor bracket change, and a few others I think). I haven't tested it out yet, but the newest firmware includes some software-fixes for the problem. Something about disabling the bottle rotation sensor at startup.

Let me know if you need any of the tech documents.

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