You should be able to open the front cover and close it. This should rest the warm up low temp. code. If not sounds like you have a blown fuse or thermal lamp. Are you able to see the heat (bright orange)lamp turn on at the exit side of the machine. or does the copier feel a little warm at the exit before indicating an error. Hpe this helps. Please leave + feed back
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You've had too many fuser jams. Remove the fuser and inspect the heat roller and separator claws. After putting the fuser back in, you must do an lbp fuser reset in F9-6 mode. While holding down the function key, press original size ledger key. While holding those down, press the 3 key. This gets you into service mode. Press the stop key, then while holding down function key, press clear key to exit service mode.
the best thing that u do first is to clean the fuser unit, esp. the thermostat located there. then you may go to service mode, (function+orig.size+3), F9, look for ram initialize, then look for LBP FUSER RESET. it will reset all e4 machine error.
e4 errors means fuser error, probably you encountered lots of fuser jamming.
the best thing to do is to ask your service provider to check your machine but for the mean time, you could erase the error log.
press function + orig. size + 3
find ram initialize
find LBP FUSER RESET
note: make sure that LBP FUSER RESET is the selected one
restart your machine
if you still encountered an e4 error, it means that there is a physical/hardware problem on your fuser unit.
the best thing that u do first is to clean the fuser unit, esp. the thermostat located there. then you may go to service mode, (function+orig.size+3), F9, look for ram initialize, then look for LBP FUSER RESET.
it will reset all e4 machine error.
E4-01 is the fuser not heating up in time. It can happen after paperjams, and usually it is no big deal. A reset of the code and you might be good to go. Go in to service mode: Function + Original Size + 3 Hit 9 for F9 mode Scroll 'til you see Ram Initialization and enter there Look for an "LBP Fuser Reset" option. Choose that and it will then ask you to turn the power off and back on. If the code comes back up then you have a blown thermistat or thermal fuse. You'll have to pull the fuser out to take care of it, but you'll want a tech to come out and do that.