The fuser is not warming up.
On that machine under the web there is a thermal fuse on a white plastic mount, it has one screw through it.
It is most likely blown. Possibly caused by a jammed paper in the fuser.
That fusable link needs to be replaced.
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Solution #2
posted on Oct 20, 2008
Guest
Rank: Apprentice
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dear sir;
whan we start the machine, it shows u4 fault. please help us.
thank u...
The toner message will not go away and when I played around with the Functions keys(F4) and changed...
(More)
The toner message will not go away and when I played around with the Functions keys(F4) and changed one of the settings ,eversince then I am not able to do anything with the copier all that displays is add toner.